Finding the Third Proportional to 8,160,868 and 12,592,422

Step by Step Solution

1. Step 1: Write the proportion equation
   8,160,868 : 12,592,422 = 12,592,422 : x
2. Step 2: Convert to fraction form
   8,160,868/12,592,422 = 12,592,422/x
3. Step 3: Cross multiply
   8,160,868x = 12,592,422 × 12,592,422
4. Step 4: Simplify right side
   8,160,868x = 158,569,091,826,084
5. Step 5: Solve for x
   x = 158,569,091,826,084/8,160,868
6. Step 6: Final answer
   x = 19,430,419.88