Finding the Third Proportional to 5,013,420 and 7,637,630

Step by Step Solution

1. Step 1: Write the proportion equation
   5,013,420 : 7,637,630 = 7,637,630 : x
2. Step 2: Convert to fraction form
   5,013,420/7,637,630 = 7,637,630/x
3. Step 3: Cross multiply
   5,013,420x = 7,637,630 × 7,637,630
4. Step 4: Simplify right side
   5,013,420x = 58,333,392,016,900
5. Step 5: Solve for x
   x = 58,333,392,016,900/5,013,420
6. Step 6: Final answer
   x = 11,635,448.86