Finding the Third Proportional to 12,734,220 and 19,747,026

Step by Step Solution

1. Step 1: Write the proportion equation
   12,734,220 : 19,747,026 = 19,747,026 : x
2. Step 2: Convert to fraction form
   12,734,220/19,747,026 = 19,747,026/x
3. Step 3: Cross multiply
   12,734,220x = 19,747,026 × 19,747,026
4. Step 4: Simplify right side
   12,734,220x = 389,945,035,844,676
5. Step 5: Solve for x
   x = 389,945,035,844,676/12,734,220
6. Step 6: Final answer
   x = 30,621,823.39