Finding the Third Proportional to 52,538.63 and 78,622.31

Step by Step Solution

1. Step 1: Write the proportion equation
   52,538.63 : 78,622.31 = 78,622.31 : x
2. Step 2: Convert to fraction form
   52,538.63/78,622.31 = 78,622.31/x
3. Step 3: Cross multiply
   52,538.63x = 78,622.31 × 78,622.31
4. Step 4: Simplify right side
   52,538.63x = 6,181,468,022.85
5. Step 5: Solve for x
   x = 6,181,468,022.85/52,538.63
6. Step 6: Final answer
   x = 117,655.69