Finding the Third Proportional to 151,641 and 328,432.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,641 : 328,432.50 = 328,432.50 : x
2. Step 2: Convert to fraction form
   151,641/328,432.50 = 328,432.50/x
3. Step 3: Cross multiply
   151,641x = 328,432.50 × 328,432.50
4. Step 4: Simplify right side
   151,641x = 107,867,907,056.25
5. Step 5: Solve for x
   x = 107,867,907,056.25/151,641
6. Step 6: Final answer
   x = 711,337.35