Finding the Third Proportional to 562,493.25 and 871,200

Step by Step Solution

1. Step 1: Write the proportion equation
   562,493.25 : 871,200 = 871,200 : x
2. Step 2: Convert to fraction form
   562,493.25/871,200 = 871,200/x
3. Step 3: Cross multiply
   562,493.25x = 871,200 × 871,200
4. Step 4: Simplify right side
   562,493.25x = 758,989,440,000
5. Step 5: Solve for x
   x = 758,989,440,000/562,493.25
6. Step 6: Final answer
   x = 1,349,330.75