Finding the Third Proportional to 13,105,466 and 20,513,818

Step by Step Solution

1. Step 1: Write the proportion equation
   13,105,466 : 20,513,818 = 20,513,818 : x
2. Step 2: Convert to fraction form
   13,105,466/20,513,818 = 20,513,818/x
3. Step 3: Cross multiply
   13,105,466x = 20,513,818 × 20,513,818
4. Step 4: Simplify right side
   13,105,466x = 420,816,728,937,124
5. Step 5: Solve for x
   x = 420,816,728,937,124/13,105,466
6. Step 6: Final answer
   x = 32,110,016.46