Finding the Third Proportional to 611,835 and 1,312,245

Step by Step Solution

1. Step 1: Write the proportion equation
   611,835 : 1,312,245 = 1,312,245 : x
2. Step 2: Convert to fraction form
   611,835/1,312,245 = 1,312,245/x
3. Step 3: Cross multiply
   611,835x = 1,312,245 × 1,312,245
4. Step 4: Simplify right side
   611,835x = 1,721,986,940,025
5. Step 5: Solve for x
   x = 1,721,986,940,025/611,835
6. Step 6: Final answer
   x = 2,814,462.95