Finding the Third Proportional to 4,973,646 and 7,908,862

Step by Step Solution

1. Step 1: Write the proportion equation
   4,973,646 : 7,908,862 = 7,908,862 : x
2. Step 2: Convert to fraction form
   4,973,646/7,908,862 = 7,908,862/x
3. Step 3: Cross multiply
   4,973,646x = 7,908,862 × 7,908,862
4. Step 4: Simplify right side
   4,973,646x = 62,550,098,135,044
5. Step 5: Solve for x
   x = 62,550,098,135,044/4,973,646
6. Step 6: Final answer
   x = 12,576,306.83