Finding the Third Proportional to 8,702,658 and 12,233,619

Step by Step Solution

1. Step 1: Write the proportion equation
   8,702,658 : 12,233,619 = 12,233,619 : x
2. Step 2: Convert to fraction form
   8,702,658/12,233,619 = 12,233,619/x
3. Step 3: Cross multiply
   8,702,658x = 12,233,619 × 12,233,619
4. Step 4: Simplify right side
   8,702,658x = 149,661,433,837,161
5. Step 5: Solve for x
   x = 149,661,433,837,161/8,702,658
6. Step 6: Final answer
   x = 17,197,209.62