Finding the Third Proportional to 28,808 and 61,040

Step by Step Solution

1. Step 1: Write the proportion equation
   28,808 : 61,040 = 61,040 : x
2. Step 2: Convert to fraction form
   28,808/61,040 = 61,040/x
3. Step 3: Cross multiply
   28,808x = 61,040 × 61,040
4. Step 4: Simplify right side
   28,808x = 3,725,881,600
5. Step 5: Solve for x
   x = 3,725,881,600/28,808
6. Step 6: Final answer
   x = 129,334.96