Finding the Third Proportional to 740,428 and 1,596,040

Step by Step Solution

1. Step 1: Write the proportion equation
   740,428 : 1,596,040 = 1,596,040 : x
2. Step 2: Convert to fraction form
   740,428/1,596,040 = 1,596,040/x
3. Step 3: Cross multiply
   740,428x = 1,596,040 × 1,596,040
4. Step 4: Simplify right side
   740,428x = 2,547,343,681,600
5. Step 5: Solve for x
   x = 2,547,343,681,600/740,428
6. Step 6: Final answer
   x = 3,440,366.49