Finding the Third Proportional to 61,390.31 and 92,314.13

Step by Step Solution

1. Step 1: Write the proportion equation
   61,390.31 : 92,314.13 = 92,314.13 : x
2. Step 2: Convert to fraction form
   61,390.31/92,314.13 = 92,314.13/x
3. Step 3: Cross multiply
   61,390.31x = 92,314.13 × 92,314.13
4. Step 4: Simplify right side
   61,390.31x = 8,521,897,674.52
5. Step 5: Solve for x
   x = 8,521,897,674.52/61,390.31
6. Step 6: Final answer
   x = 138,815.02