Finding the Third Proportional to 52,260.75 and 78,880.78

Step by Step Solution

1. Step 1: Write the proportion equation
   52,260.75 : 78,880.78 = 78,880.78 : x
2. Step 2: Convert to fraction form
   52,260.75/78,880.78 = 78,880.78/x
3. Step 3: Cross multiply
   52,260.75x = 78,880.78 × 78,880.78
4. Step 4: Simplify right side
   52,260.75x = 6,222,177,650.61
5. Step 5: Solve for x
   x = 6,222,177,650.61/52,260.75
6. Step 6: Final answer
   x = 119,060.24