Finding the Third Proportional to 1,207,572 and 1,776,360

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,572 : 1,776,360 = 1,776,360 : x
2. Step 2: Convert to fraction form
   1,207,572/1,776,360 = 1,776,360/x
3. Step 3: Cross multiply
   1,207,572x = 1,776,360 × 1,776,360
4. Step 4: Simplify right side
   1,207,572x = 3,155,454,849,600
5. Step 5: Solve for x
   x = 3,155,454,849,600/1,207,572
6. Step 6: Final answer
   x = 2,613,057.32