Finding the Third Proportional to 342,797.50 and 744,563

Step by Step Solution

1. Step 1: Write the proportion equation
   342,797.50 : 744,563 = 744,563 : x
2. Step 2: Convert to fraction form
   342,797.50/744,563 = 744,563/x
3. Step 3: Cross multiply
   342,797.50x = 744,563 × 744,563
4. Step 4: Simplify right side
   342,797.50x = 554,374,060,969
5. Step 5: Solve for x
   x = 554,374,060,969/342,797.50
6. Step 6: Final answer
   x = 1,617,205.67