Finding the Third Proportional to 52,920.89 and 77,155.82

Step by Step Solution

1. Step 1: Write the proportion equation
   52,920.89 : 77,155.82 = 77,155.82 : x
2. Step 2: Convert to fraction form
   52,920.89/77,155.82 = 77,155.82/x
3. Step 3: Cross multiply
   52,920.89x = 77,155.82 × 77,155.82
4. Step 4: Simplify right side
   52,920.89x = 5,953,020,909.48
5. Step 5: Solve for x
   x = 5,953,020,909.48/52,920.89
6. Step 6: Final answer
   x = 112,489.06