Finding the Third Proportional to 1,032,572 and 2,188,228

Step by Step Solution

1. Step 1: Write the proportion equation
   1,032,572 : 2,188,228 = 2,188,228 : x
2. Step 2: Convert to fraction form
   1,032,572/2,188,228 = 2,188,228/x
3. Step 3: Cross multiply
   1,032,572x = 2,188,228 × 2,188,228
4. Step 4: Simplify right side
   1,032,572x = 4,788,341,779,984
5. Step 5: Solve for x
   x = 4,788,341,779,984/1,032,572
6. Step 6: Final answer
   x = 4,637,295.78