Finding the Third Proportional to 1,567,389 and 2,207,231

Step by Step Solution

1. Step 1: Write the proportion equation
   1,567,389 : 2,207,231 = 2,207,231 : x
2. Step 2: Convert to fraction form
   1,567,389/2,207,231 = 2,207,231/x
3. Step 3: Cross multiply
   1,567,389x = 2,207,231 × 2,207,231
4. Step 4: Simplify right side
   1,567,389x = 4,871,868,687,361
5. Step 5: Solve for x
   x = 4,871,868,687,361/1,567,389
6. Step 6: Final answer
   x = 3,108,270.31