Finding the Third Proportional to 343,466 and 744,104.50

Step by Step Solution

1. Step 1: Write the proportion equation
   343,466 : 744,104.50 = 744,104.50 : x
2. Step 2: Convert to fraction form
   343,466/744,104.50 = 744,104.50/x
3. Step 3: Cross multiply
   343,466x = 744,104.50 × 744,104.50
4. Step 4: Simplify right side
   343,466x = 553,691,506,920.25
5. Step 5: Solve for x
   x = 553,691,506,920.25/343,466
6. Step 6: Final answer
   x = 1,612,070.79