Finding the Third Proportional to 28,657 and 61,004.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,657 : 61,004.50 = 61,004.50 : x
2. Step 2: Convert to fraction form
   28,657/61,004.50 = 61,004.50/x
3. Step 3: Cross multiply
   28,657x = 61,004.50 × 61,004.50
4. Step 4: Simplify right side
   28,657x = 3,721,549,020.25
5. Step 5: Solve for x
   x = 3,721,549,020.25/28,657
6. Step 6: Final answer
   x = 129,865.27