Finding the Third Proportional to 611,852 and 1,312,274

Step by Step Solution

1. Step 1: Write the proportion equation
   611,852 : 1,312,274 = 1,312,274 : x
2. Step 2: Convert to fraction form
   611,852/1,312,274 = 1,312,274/x
3. Step 3: Cross multiply
   611,852x = 1,312,274 × 1,312,274
4. Step 4: Simplify right side
   611,852x = 1,722,063,051,076
5. Step 5: Solve for x
   x = 1,722,063,051,076/611,852
6. Step 6: Final answer
   x = 2,814,509.15