Finding the Third Proportional to 28,729.13 and 60,981.75

Step by Step Solution

1. Step 1: Write the proportion equation
   28,729.13 : 60,981.75 = 60,981.75 : x
2. Step 2: Convert to fraction form
   28,729.13/60,981.75 = 60,981.75/x
3. Step 3: Cross multiply
   28,729.13x = 60,981.75 × 60,981.75
4. Step 4: Simplify right side
   28,729.13x = 3,718,773,833.06
5. Step 5: Solve for x
   x = 3,718,773,833.06/28,729.13
6. Step 6: Final answer
   x = 129,442.64