Finding the Third Proportional to 61,661.25 and 92,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,661.25 : 92,488.50 = 92,488.50 : x
2. Step 2: Convert to fraction form
   61,661.25/92,488.50 = 92,488.50/x
3. Step 3: Cross multiply
   61,661.25x = 92,488.50 × 92,488.50
4. Step 4: Simplify right side
   61,661.25x = 8,554,122,632.25
5. Step 5: Solve for x
   x = 8,554,122,632.25/61,661.25
6. Step 6: Final answer
   x = 138,727.69