Finding the Third Proportional to 2,010,872 and 4,309,600

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010,872 : 4,309,600 = 4,309,600 : x
2. Step 2: Convert to fraction form
   2,010,872/4,309,600 = 4,309,600/x
3. Step 3: Cross multiply
   2,010,872x = 4,309,600 × 4,309,600
4. Step 4: Simplify right side
   2,010,872x = 18,572,652,160,000
5. Step 5: Solve for x
   x = 18,572,652,160,000/2,010,872
6. Step 6: Final answer
   x = 9,236,118.54