Finding the Third Proportional to 2,156,139 and 3,234,249

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156,139 : 3,234,249 = 3,234,249 : x
2. Step 2: Convert to fraction form
   2,156,139/3,234,249 = 3,234,249/x
3. Step 3: Cross multiply
   2,156,139x = 3,234,249 × 3,234,249
4. Step 4: Simplify right side
   2,156,139x = 10,460,366,594,001
5. Step 5: Solve for x
   x = 10,460,366,594,001/2,156,139
6. Step 6: Final answer
   x = 4,851,434.25