Finding the Third Proportional to 53,409.38 and 82,695.94

Step by Step Solution

1. Step 1: Write the proportion equation
   53,409.38 : 82,695.94 = 82,695.94 : x
2. Step 2: Convert to fraction form
   53,409.38/82,695.94 = 82,695.94/x
3. Step 3: Cross multiply
   53,409.38x = 82,695.94 × 82,695.94
4. Step 4: Simplify right side
   53,409.38x = 6,838,618,079.00
5. Step 5: Solve for x
   x = 6,838,618,079.00/53,409.38
6. Step 6: Final answer
   x = 128,041.53