Finding the Third Proportional to 754,128 and 1,626,336

Step by Step Solution

1. Step 1: Write the proportion equation
   754,128 : 1,626,336 = 1,626,336 : x
2. Step 2: Convert to fraction form
   754,128/1,626,336 = 1,626,336/x
3. Step 3: Cross multiply
   754,128x = 1,626,336 × 1,626,336
4. Step 4: Simplify right side
   754,128x = 2,644,968,784,896
5. Step 5: Solve for x
   x = 2,644,968,784,896/754,128
6. Step 6: Final answer
   x = 3,507,320.75