Finding the Third Proportional to 6,666,636 and 9,439,434

Step by Step Solution

1. Step 1: Write the proportion equation
   6,666,636 : 9,439,434 = 9,439,434 : x
2. Step 2: Convert to fraction form
   6,666,636/9,439,434 = 9,439,434/x
3. Step 3: Cross multiply
   6,666,636x = 9,439,434 × 9,439,434
4. Step 4: Simplify right side
   6,666,636x = 89,102,914,240,356
5. Step 5: Solve for x
   x = 89,102,914,240,356/6,666,636
6. Step 6: Final answer
   x = 13,365,498.62