Finding the Third Proportional to 66,230 and 141,929.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,230 : 141,929.50 = 141,929.50 : x
2. Step 2: Convert to fraction form
   66,230/141,929.50 = 141,929.50/x
3. Step 3: Cross multiply
   66,230x = 141,929.50 × 141,929.50
4. Step 4: Simplify right side
   66,230x = 20,143,982,970.25
5. Step 5: Solve for x
   x = 20,143,982,970.25/66,230
6. Step 6: Final answer
   x = 304,151.94