Finding the Third Proportional to 155,526 and 247,591.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,526 : 247,591.50 = 247,591.50 : x
2. Step 2: Convert to fraction form
   155,526/247,591.50 = 247,591.50/x
3. Step 3: Cross multiply
   155,526x = 247,591.50 × 247,591.50
4. Step 4: Simplify right side
   155,526x = 61,301,550,872.25
5. Step 5: Solve for x
   x = 61,301,550,872.25/155,526
6. Step 6: Final answer
   x = 394,156.29