Finding the Third Proportional to 66,228 and 141,925.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,228 : 141,925.50 = 141,925.50 : x
2. Step 2: Convert to fraction form
   66,228/141,925.50 = 141,925.50/x
3. Step 3: Cross multiply
   66,228x = 141,925.50 × 141,925.50
4. Step 4: Simplify right side
   66,228x = 20,142,847,550.25
5. Step 5: Solve for x
   x = 20,142,847,550.25/66,228
6. Step 6: Final answer
   x = 304,143.98