Finding the Third Proportional to 28,418 and 59,781.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,418 : 59,781.50 = 59,781.50 : x
2. Step 2: Convert to fraction form
   28,418/59,781.50 = 59,781.50/x
3. Step 3: Cross multiply
   28,418x = 59,781.50 × 59,781.50
4. Step 4: Simplify right side
   28,418x = 3,573,827,742.25
5. Step 5: Solve for x
   x = 3,573,827,742.25/28,418
6. Step 6: Final answer
   x = 125,759.30