Finding the Third Proportional to 61,121.25 and 92,086.88

Step by Step Solution

1. Step 1: Write the proportion equation
   61,121.25 : 92,086.88 = 92,086.88 : x
2. Step 2: Convert to fraction form
   61,121.25/92,086.88 = 92,086.88/x
3. Step 3: Cross multiply
   61,121.25x = 92,086.88 × 92,086.88
4. Step 4: Simplify right side
   61,121.25x = 8,479,992,547.27
5. Step 5: Solve for x
   x = 8,479,992,547.27/61,121.25
6. Step 6: Final answer
   x = 138,740.50