Finding the Third Proportional to 57,513.38 and 84,336.19

Step by Step Solution

1. Step 1: Write the proportion equation
   57,513.38 : 84,336.19 = 84,336.19 : x
2. Step 2: Convert to fraction form
   57,513.38/84,336.19 = 84,336.19/x
3. Step 3: Cross multiply
   57,513.38x = 84,336.19 × 84,336.19
4. Step 4: Simplify right side
   57,513.38x = 7,112,592,522.04
5. Step 5: Solve for x
   x = 7,112,592,522.04/57,513.38
6. Step 6: Final answer
   x = 123,668.49