Finding the Third Proportional to 562,351 and 871,003

Step by Step Solution

1. Step 1: Write the proportion equation
   562,351 : 871,003 = 871,003 : x
2. Step 2: Convert to fraction form
   562,351/871,003 = 871,003/x
3. Step 3: Cross multiply
   562,351x = 871,003 × 871,003
4. Step 4: Simplify right side
   562,351x = 758,646,226,009
5. Step 5: Solve for x
   x = 758,646,226,009/562,351
6. Step 6: Final answer
   x = 1,349,061.75