Finding the Third Proportional to 57,516 and 84,340.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,516 : 84,340.50 = 84,340.50 : x
2. Step 2: Convert to fraction form
   57,516/84,340.50 = 84,340.50/x
3. Step 3: Cross multiply
   57,516x = 84,340.50 × 84,340.50
4. Step 4: Simplify right side
   57,516x = 7,113,319,940.25
5. Step 5: Solve for x
   x = 7,113,319,940.25/57,516
6. Step 6: Final answer
   x = 123,675.50