Finding the Third Proportional to 13,521,856 and 31,887,748

Step by Step Solution

1. Step 1: Write the proportion equation
   13,521,856 : 31,887,748 = 31,887,748 : x
2. Step 2: Convert to fraction form
   13,521,856/31,887,748 = 31,887,748/x
3. Step 3: Cross multiply
   13,521,856x = 31,887,748 × 31,887,748
4. Step 4: Simplify right side
   13,521,856x = 1,016,828,472,511,504
5. Step 5: Solve for x
   x = 1,016,828,472,511,504/13,521,856
6. Step 6: Final answer
   x = 75,198,883.39