Finding the Third Proportional to 562,491 and 871,196.63

Step by Step Solution

1. Step 1: Write the proportion equation
   562,491 : 871,196.63 = 871,196.63 : x
2. Step 2: Convert to fraction form
   562,491/871,196.63 = 871,196.63/x
3. Step 3: Cross multiply
   562,491x = 871,196.63 × 871,196.63
4. Step 4: Simplify right side
   562,491x = 758,983,559,411.39
5. Step 5: Solve for x
   x = 758,983,559,411.39/562,491
6. Step 6: Final answer
   x = 1,349,325.69