Finding the Third Proportional to 727,480 and 1,580,864

Step by Step Solution

1. Step 1: Write the proportion equation
   727,480 : 1,580,864 = 1,580,864 : x
2. Step 2: Convert to fraction form
   727,480/1,580,864 = 1,580,864/x
3. Step 3: Cross multiply
   727,480x = 1,580,864 × 1,580,864
4. Step 4: Simplify right side
   727,480x = 2,499,130,986,496
5. Step 5: Solve for x
   x = 2,499,130,986,496/727,480
6. Step 6: Final answer
   x = 3,435,326.04