Finding the Third Proportional to 661,446 and 1,051,245

Step by Step Solution

1. Step 1: Write the proportion equation
   661,446 : 1,051,245 = 1,051,245 : x
2. Step 2: Convert to fraction form
   661,446/1,051,245 = 1,051,245/x
3. Step 3: Cross multiply
   661,446x = 1,051,245 × 1,051,245
4. Step 4: Simplify right side
   661,446x = 1,105,116,050,025
5. Step 5: Solve for x
   x = 1,105,116,050,025/661,446
6. Step 6: Final answer
   x = 1,670,757.78