Finding the Third Proportional to 1,784,128 and 2,872,719

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784,128 : 2,872,719 = 2,872,719 : x
2. Step 2: Convert to fraction form
   1,784,128/2,872,719 = 2,872,719/x
3. Step 3: Cross multiply
   1,784,128x = 2,872,719 × 2,872,719
4. Step 4: Simplify right side
   1,784,128x = 8,252,514,452,961
5. Step 5: Solve for x
   x = 8,252,514,452,961/1,784,128
6. Step 6: Final answer
   x = 4,625,517.03