Finding the Third Proportional to 1,143,139 and 1,567,492

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143,139 : 1,567,492 = 1,567,492 : x
2. Step 2: Convert to fraction form
   1,143,139/1,567,492 = 1,567,492/x
3. Step 3: Cross multiply
   1,143,139x = 1,567,492 × 1,567,492
4. Step 4: Simplify right side
   1,143,139x = 2,457,031,170,064
5. Step 5: Solve for x
   x = 2,457,031,170,064/1,143,139
6. Step 6: Final answer
   x = 2,149,372.18