Finding the Third Proportional to 2,656,847 and 5,691,639

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656,847 : 5,691,639 = 5,691,639 : x
2. Step 2: Convert to fraction form
   2,656,847/5,691,639 = 5,691,639/x
3. Step 3: Cross multiply
   2,656,847x = 5,691,639 × 5,691,639
4. Step 4: Simplify right side
   2,656,847x = 32,394,754,506,321
5. Step 5: Solve for x
   x = 32,394,754,506,321/2,656,847
6. Step 6: Final answer
   x = 12,192,931.89