Finding the Third Proportional to 57,702.38 and 91,292.63

Step by Step Solution

1. Step 1: Write the proportion equation
   57,702.38 : 91,292.63 = 91,292.63 : x
2. Step 2: Convert to fraction form
   57,702.38/91,292.63 = 91,292.63/x
3. Step 3: Cross multiply
   57,702.38x = 91,292.63 × 91,292.63
4. Step 4: Simplify right side
   57,702.38x = 8,334,343,379.39
5. Step 5: Solve for x
   x = 8,334,343,379.39/57,702.38
6. Step 6: Final answer
   x = 144,436.75