Finding the Third Proportional to 61,241.06 and 91,861.59

Step by Step Solution

1. Step 1: Write the proportion equation
   61,241.06 : 91,861.59 = 91,861.59 : x
2. Step 2: Convert to fraction form
   61,241.06/91,861.59 = 91,861.59/x
3. Step 3: Cross multiply
   61,241.06x = 91,861.59 × 91,861.59
4. Step 4: Simplify right side
   61,241.06x = 8,438,552,406.29
5. Step 5: Solve for x
   x = 8,438,552,406.29/61,241.06
6. Step 6: Final answer
   x = 137,792.39