Finding the Third Proportional to 51,655.50 and 79,818.75

Step by Step Solution

1. Step 1: Write the proportion equation
   51,655.50 : 79,818.75 = 79,818.75 : x
2. Step 2: Convert to fraction form
   51,655.50/79,818.75 = 79,818.75/x
3. Step 3: Cross multiply
   51,655.50x = 79,818.75 × 79,818.75
4. Step 4: Simplify right side
   51,655.50x = 6,371,032,851.56
5. Step 5: Solve for x
   x = 6,371,032,851.56/51,655.50
6. Step 6: Final answer
   x = 123,336.97