Finding the Third Proportional to 67,837.50 and 99,724.13

Step by Step Solution

1. Step 1: Write the proportion equation
   67,837.50 : 99,724.13 = 99,724.13 : x
2. Step 2: Convert to fraction form
   67,837.50/99,724.13 = 99,724.13/x
3. Step 3: Cross multiply
   67,837.50x = 99,724.13 × 99,724.13
4. Step 4: Simplify right side
   67,837.50x = 9,944,901,107.02
5. Step 5: Solve for x
   x = 9,944,901,107.02/67,837.50
6. Step 6: Final answer
   x = 146,598.87