Finding the Third Proportional to 29,786.50 and 63,891.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,786.50 : 63,891.50 = 63,891.50 : x
2. Step 2: Convert to fraction form
   29,786.50/63,891.50 = 63,891.50/x
3. Step 3: Cross multiply
   29,786.50x = 63,891.50 × 63,891.50
4. Step 4: Simplify right side
   29,786.50x = 4,082,123,772.25
5. Step 5: Solve for x
   x = 4,082,123,772.25/29,786.50
6. Step 6: Final answer
   x = 137,046.10