Finding the Third Proportional to 28,839 and 63,940.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,839 : 63,940.50 = 63,940.50 : x
2. Step 2: Convert to fraction form
   28,839/63,940.50 = 63,940.50/x
3. Step 3: Cross multiply
   28,839x = 63,940.50 × 63,940.50
4. Step 4: Simplify right side
   28,839x = 4,088,387,540.25
5. Step 5: Solve for x
   x = 4,088,387,540.25/28,839
6. Step 6: Final answer
   x = 141,765.93