Finding the Third Proportional to 354,657 and 530,734.50

Step by Step Solution

1. Step 1: Write the proportion equation
   354,657 : 530,734.50 = 530,734.50 : x
2. Step 2: Convert to fraction form
   354,657/530,734.50 = 530,734.50/x
3. Step 3: Cross multiply
   354,657x = 530,734.50 × 530,734.50
4. Step 4: Simplify right side
   354,657x = 281,679,109,490.25
5. Step 5: Solve for x
   x = 281,679,109,490.25/354,657
6. Step 6: Final answer
   x = 794,229.66