Finding the Third Proportional to 57,685.50 and 77,601.38

Step by Step Solution

1. Step 1: Write the proportion equation
   57,685.50 : 77,601.38 = 77,601.38 : x
2. Step 2: Convert to fraction form
   57,685.50/77,601.38 = 77,601.38/x
3. Step 3: Cross multiply
   57,685.50x = 77,601.38 × 77,601.38
4. Step 4: Simplify right side
   57,685.50x = 6,021,973,401.89
5. Step 5: Solve for x
   x = 6,021,973,401.89/57,685.50
6. Step 6: Final answer
   x = 104,393.19