Finding the Third Proportional to 53,460.75 and 83,167.88

Step by Step Solution

1. Step 1: Write the proportion equation
   53,460.75 : 83,167.88 = 83,167.88 : x
2. Step 2: Convert to fraction form
   53,460.75/83,167.88 = 83,167.88/x
3. Step 3: Cross multiply
   53,460.75x = 83,167.88 × 83,167.88
4. Step 4: Simplify right side
   53,460.75x = 6,916,895,432.02
5. Step 5: Solve for x
   x = 6,916,895,432.02/53,460.75
6. Step 6: Final answer
   x = 129,382.69