Finding the Third Proportional to 611,479 and 926,452.50

Step by Step Solution

1. Step 1: Write the proportion equation
   611,479 : 926,452.50 = 926,452.50 : x
2. Step 2: Convert to fraction form
   611,479/926,452.50 = 926,452.50/x
3. Step 3: Cross multiply
   611,479x = 926,452.50 × 926,452.50
4. Step 4: Simplify right side
   611,479x = 858,314,234,756.25
5. Step 5: Solve for x
   x = 858,314,234,756.25/611,479
6. Step 6: Final answer
   x = 1,403,669.19