Finding the Third Proportional to 730,626 and 1,146,420

Step by Step Solution

1. Step 1: Write the proportion equation
   730,626 : 1,146,420 = 1,146,420 : x
2. Step 2: Convert to fraction form
   730,626/1,146,420 = 1,146,420/x
3. Step 3: Cross multiply
   730,626x = 1,146,420 × 1,146,420
4. Step 4: Simplify right side
   730,626x = 1,314,278,816,400
5. Step 5: Solve for x
   x = 1,314,278,816,400/730,626
6. Step 6: Final answer
   x = 1,798,839.37