Finding the Third Proportional to 8,427,392 and 12,763,452

Step by Step Solution

1. Step 1: Write the proportion equation
   8,427,392 : 12,763,452 = 12,763,452 : x
2. Step 2: Convert to fraction form
   8,427,392/12,763,452 = 12,763,452/x
3. Step 3: Cross multiply
   8,427,392x = 12,763,452 × 12,763,452
4. Step 4: Simplify right side
   8,427,392x = 162,905,706,956,304
5. Step 5: Solve for x
   x = 162,905,706,956,304/8,427,392
6. Step 6: Final answer
   x = 19,330,500.70