Finding the Third Proportional to 721,886 and 1,572,076

Step by Step Solution

1. Step 1: Write the proportion equation
   721,886 : 1,572,076 = 1,572,076 : x
2. Step 2: Convert to fraction form
   721,886/1,572,076 = 1,572,076/x
3. Step 3: Cross multiply
   721,886x = 1,572,076 × 1,572,076
4. Step 4: Simplify right side
   721,886x = 2,471,422,949,776
5. Step 5: Solve for x
   x = 2,471,422,949,776/721,886
6. Step 6: Final answer
   x = 3,423,564.04