Finding the Third Proportional to 51,201.75 and 79,498.13

Step by Step Solution

1. Step 1: Write the proportion equation
   51,201.75 : 79,498.13 = 79,498.13 : x
2. Step 2: Convert to fraction form
   51,201.75/79,498.13 = 79,498.13/x
3. Step 3: Cross multiply
   51,201.75x = 79,498.13 × 79,498.13
4. Step 4: Simplify right side
   51,201.75x = 6,319,951,878.52
5. Step 5: Solve for x
   x = 6,319,951,878.52/51,201.75
6. Step 6: Final answer
   x = 123,432.34