Finding the Third Proportional to 430,840.50 and 920,325

Step by Step Solution

1. Step 1: Write the proportion equation
   430,840.50 : 920,325 = 920,325 : x
2. Step 2: Convert to fraction form
   430,840.50/920,325 = 920,325/x
3. Step 3: Cross multiply
   430,840.50x = 920,325 × 920,325
4. Step 4: Simplify right side
   430,840.50x = 846,998,105,625
5. Step 5: Solve for x
   x = 846,998,105,625/430,840.50
6. Step 6: Final answer
   x = 1,965,920.35