Finding the Third Proportional to 68,830.50 and 152,400.56

Step by Step Solution

1. Step 1: Write the proportion equation
   68,830.50 : 152,400.56 = 152,400.56 : x
2. Step 2: Convert to fraction form
   68,830.50/152,400.56 = 152,400.56/x
3. Step 3: Cross multiply
   68,830.50x = 152,400.56 × 152,400.56
4. Step 4: Simplify right side
   68,830.50x = 23,225,931,450.32
5. Step 5: Solve for x
   x = 23,225,931,450.32/68,830.50
6. Step 6: Final answer
   x = 337,436.62