Finding the Third Proportional to 4,486,635 and 9,870,426

Step by Step Solution

1. Step 1: Write the proportion equation
   4,486,635 : 9,870,426 = 9,870,426 : x
2. Step 2: Convert to fraction form
   4,486,635/9,870,426 = 9,870,426/x
3. Step 3: Cross multiply
   4,486,635x = 9,870,426 × 9,870,426
4. Step 4: Simplify right side
   4,486,635x = 97,425,309,421,476
5. Step 5: Solve for x
   x = 97,425,309,421,476/4,486,635
6. Step 6: Final answer
   x = 21,714,561.01