Finding the Third Proportional to 52,146.28 and 78,458.63

Step by Step Solution

1. Step 1: Write the proportion equation
   52,146.28 : 78,458.63 = 78,458.63 : x
2. Step 2: Convert to fraction form
   52,146.28/78,458.63 = 78,458.63/x
3. Step 3: Cross multiply
   52,146.28x = 78,458.63 × 78,458.63
4. Step 4: Simplify right side
   52,146.28x = 6,155,755,836.89
5. Step 5: Solve for x
   x = 6,155,755,836.89/52,146.28
6. Step 6: Final answer
   x = 118,047.84