Finding the Third Proportional to 152,577.42 and 309,306.73

Step by Step Solution

1. Step 1: Write the proportion equation
   152,577.42 : 309,306.73 = 309,306.73 : x
2. Step 2: Convert to fraction form
   152,577.42/309,306.73 = 309,306.73/x
3. Step 3: Cross multiply
   152,577.42x = 309,306.73 × 309,306.73
4. Step 4: Simplify right side
   152,577.42x = 95,670,651,096.81
5. Step 5: Solve for x
   x = 95,670,651,096.81/152,577.42
6. Step 6: Final answer
   x = 627,030.20