Finding the Third Proportional to 2,251,520 and 4,779,392

Step by Step Solution

1. Step 1: Write the proportion equation
   2,251,520 : 4,779,392 = 4,779,392 : x
2. Step 2: Convert to fraction form
   2,251,520/4,779,392 = 4,779,392/x
3. Step 3: Cross multiply
   2,251,520x = 4,779,392 × 4,779,392
4. Step 4: Simplify right side
   2,251,520x = 22,842,587,889,664
5. Step 5: Solve for x
   x = 22,842,587,889,664/2,251,520
6. Step 6: Final answer
   x = 10,145,407.50