Finding the Third Proportional to 31,488,927 and 51,418,582.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,488,927 : 51,418,582.50 = 51,418,582.50 : x
2. Step 2: Convert to fraction form
   31,488,927/51,418,582.50 = 51,418,582.50/x
3. Step 3: Cross multiply
   31,488,927x = 51,418,582.50 × 51,418,582.50
4. Step 4: Simplify right side
   31,488,927x = 2,643,870,626,309,306
5. Step 5: Solve for x
   x = 2,643,870,626,309,306/31,488,927
6. Step 6: Final answer
   x = 83,961,915.45