Finding the Third Proportional to 575,445 and 871,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   575,445 : 871,162.50 = 871,162.50 : x
2. Step 2: Convert to fraction form
   575,445/871,162.50 = 871,162.50/x
3. Step 3: Cross multiply
   575,445x = 871,162.50 × 871,162.50
4. Step 4: Simplify right side
   575,445x = 758,924,101,406.25
5. Step 5: Solve for x
   x = 758,924,101,406.25/575,445
6. Step 6: Final answer
   x = 1,318,847.33