Finding the Third Proportional to 1,399,572 and 2,228,076

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,572 : 2,228,076 = 2,228,076 : x
2. Step 2: Convert to fraction form
   1,399,572/2,228,076 = 2,228,076/x
3. Step 3: Cross multiply
   1,399,572x = 2,228,076 × 2,228,076
4. Step 4: Simplify right side
   1,399,572x = 4,964,322,661,776
5. Step 5: Solve for x
   x = 4,964,322,661,776/1,399,572
6. Step 6: Final answer
   x = 3,547,029.14