Finding the Third Proportional to 14,581,478 and 31,909,180

Step by Step Solution

1. Step 1: Write the proportion equation
   14,581,478 : 31,909,180 = 31,909,180 : x
2. Step 2: Convert to fraction form
   14,581,478/31,909,180 = 31,909,180/x
3. Step 3: Cross multiply
   14,581,478x = 31,909,180 × 31,909,180
4. Step 4: Simplify right side
   14,581,478x = 1,018,195,768,272,400
5. Step 5: Solve for x
   x = 1,018,195,768,272,400/14,581,478
6. Step 6: Final answer
   x = 69,828,022.12