Finding the Third Proportional to 53,513.16 and 83,333.81

Step by Step Solution

1. Step 1: Write the proportion equation
   53,513.16 : 83,333.81 = 83,333.81 : x
2. Step 2: Convert to fraction form
   53,513.16/83,333.81 = 83,333.81/x
3. Step 3: Cross multiply
   53,513.16x = 83,333.81 × 83,333.81
4. Step 4: Simplify right side
   53,513.16x = 6,944,524,305.79
5. Step 5: Solve for x
   x = 6,944,524,305.79/53,513.16
6. Step 6: Final answer
   x = 129,772.28