Finding the Third Proportional to 61,129.50 and 93,509.25

Step by Step Solution

1. Step 1: Write the proportion equation
   61,129.50 : 93,509.25 = 93,509.25 : x
2. Step 2: Convert to fraction form
   61,129.50/93,509.25 = 93,509.25/x
3. Step 3: Cross multiply
   61,129.50x = 93,509.25 × 93,509.25
4. Step 4: Simplify right side
   61,129.50x = 8,743,979,835.56
5. Step 5: Solve for x
   x = 8,743,979,835.56/61,129.50
6. Step 6: Final answer
   x = 143,040.26