Finding the Third Proportional to 62,269.75 and 99,131.88

Step by Step Solution

1. Step 1: Write the proportion equation
   62,269.75 : 99,131.88 = 99,131.88 : x
2. Step 2: Convert to fraction form
   62,269.75/99,131.88 = 99,131.88/x
3. Step 3: Cross multiply
   62,269.75x = 99,131.88 × 99,131.88
4. Step 4: Simplify right side
   62,269.75x = 9,827,128,641.02
5. Step 5: Solve for x
   x = 9,827,128,641.02/62,269.75
6. Step 6: Final answer
   x = 157,815.45