Finding the Third Proportional to 51,599.53 and 79,748.61

Step by Step Solution

1. Step 1: Write the proportion equation
   51,599.53 : 79,748.61 = 79,748.61 : x
2. Step 2: Convert to fraction form
   51,599.53/79,748.61 = 79,748.61/x
3. Step 3: Cross multiply
   51,599.53x = 79,748.61 × 79,748.61
4. Step 4: Simplify right side
   51,599.53x = 6,359,841,320.28
5. Step 5: Solve for x
   x = 6,359,841,320.28/51,599.53
6. Step 6: Final answer
   x = 123,253.86