Finding the Third Proportional to 10,180,426 and 21,818,150

Step by Step Solution

1. Step 1: Write the proportion equation
   10,180,426 : 21,818,150 = 21,818,150 : x
2. Step 2: Convert to fraction form
   10,180,426/21,818,150 = 21,818,150/x
3. Step 3: Cross multiply
   10,180,426x = 21,818,150 × 21,818,150
4. Step 4: Simplify right side
   10,180,426x = 476,031,669,422,500
5. Step 5: Solve for x
   x = 476,031,669,422,500/10,180,426
6. Step 6: Final answer
   x = 46,759,503.92