Finding the Third Proportional to 67,860.50 and 99,763.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,860.50 : 99,763.50 = 99,763.50 : x
2. Step 2: Convert to fraction form
   67,860.50/99,763.50 = 99,763.50/x
3. Step 3: Cross multiply
   67,860.50x = 99,763.50 × 99,763.50
4. Step 4: Simplify right side
   67,860.50x = 9,952,755,932.25
5. Step 5: Solve for x
   x = 9,952,755,932.25/67,860.50
6. Step 6: Final answer
   x = 146,664.94