Finding the Third Proportional to 8,617,466 and 13,105,248

Step by Step Solution

1. Step 1: Write the proportion equation
   8,617,466 : 13,105,248 = 13,105,248 : x
2. Step 2: Convert to fraction form
   8,617,466/13,105,248 = 13,105,248/x
3. Step 3: Cross multiply
   8,617,466x = 13,105,248 × 13,105,248
4. Step 4: Simplify right side
   8,617,466x = 171,747,525,141,504
5. Step 5: Solve for x
   x = 171,747,525,141,504/8,617,466
6. Step 6: Final answer
   x = 19,930,165.68