Finding the Third Proportional to 1,502,712 and 2,200,122

Step by Step Solution

1. Step 1: Write the proportion equation
   1,502,712 : 2,200,122 = 2,200,122 : x
2. Step 2: Convert to fraction form
   1,502,712/2,200,122 = 2,200,122/x
3. Step 3: Cross multiply
   1,502,712x = 2,200,122 × 2,200,122
4. Step 4: Simplify right side
   1,502,712x = 4,840,536,814,884
5. Step 5: Solve for x
   x = 4,840,536,814,884/1,502,712
6. Step 6: Final answer
   x = 3,221,200.61