Finding the Third Proportional to 1,387,785,931,239 and 3,043,659,666,426

Step by Step Solution

1. Step 1: Write the proportion equation
   1,387,785,931,239 : 3,043,659,666,426 = 3,043,659,666,426 : x
2. Step 2: Convert to fraction form
   1,387,785,931,239/3,043,659,666,426 = 3,043,659,666,426/x
3. Step 3: Cross multiply
   1,387,785,931,239x = 3,043,659,666,426 × 3,043,659,666,426
4. Step 4: Simplify right side
   1,387,785,931,239x = 9,263,864,165,028,429,381,500,928
5. Step 5: Solve for x
   x = 9,263,864,165,028,429,381,500,928/1,387,785,931,239
6. Step 6: Final answer
   x = 6,675,283,238,213.66