Finding the Third Proportional to 52,518.38 and 81,455.63

Step by Step Solution

1. Step 1: Write the proportion equation
   52,518.38 : 81,455.63 = 81,455.63 : x
2. Step 2: Convert to fraction form
   52,518.38/81,455.63 = 81,455.63/x
3. Step 3: Cross multiply
   52,518.38x = 81,455.63 × 81,455.63
4. Step 4: Simplify right side
   52,518.38x = 6,635,018,844.14
5. Step 5: Solve for x
   x = 6,635,018,844.14/52,518.38
6. Step 6: Final answer
   x = 126,337.09