Finding the Third Proportional to 61,123.50 and 91,035

Step by Step Solution

1. Step 1: Write the proportion equation
   61,123.50 : 91,035 = 91,035 : x
2. Step 2: Convert to fraction form
   61,123.50/91,035 = 91,035/x
3. Step 3: Cross multiply
   61,123.50x = 91,035 × 91,035
4. Step 4: Simplify right side
   61,123.50x = 8,287,371,225
5. Step 5: Solve for x
   x = 8,287,371,225/61,123.50
6. Step 6: Final answer
   x = 135,584.04