Finding the Third Proportional to 68,619.38 and 99,101.25

Step by Step Solution

1. Step 1: Write the proportion equation
   68,619.38 : 99,101.25 = 99,101.25 : x
2. Step 2: Convert to fraction form
   68,619.38/99,101.25 = 99,101.25/x
3. Step 3: Cross multiply
   68,619.38x = 99,101.25 × 99,101.25
4. Step 4: Simplify right side
   68,619.38x = 9,821,057,751.56
5. Step 5: Solve for x
   x = 9,821,057,751.56/68,619.38
6. Step 6: Final answer
   x = 143,123.68