Finding the Third Proportional to 69,358.50 and 99,110.25

Step by Step Solution

1. Step 1: Write the proportion equation
   69,358.50 : 99,110.25 = 99,110.25 : x
2. Step 2: Convert to fraction form
   69,358.50/99,110.25 = 99,110.25/x
3. Step 3: Cross multiply
   69,358.50x = 99,110.25 × 99,110.25
4. Step 4: Simplify right side
   69,358.50x = 9,822,841,655.06
5. Step 5: Solve for x
   x = 9,822,841,655.06/69,358.50
6. Step 6: Final answer
   x = 141,624.19