Finding the Third Proportional to 2,798,088 and 4,320,789

Step by Step Solution

1. Step 1: Write the proportion equation
   2,798,088 : 4,320,789 = 4,320,789 : x
2. Step 2: Convert to fraction form
   2,798,088/4,320,789 = 4,320,789/x
3. Step 3: Cross multiply
   2,798,088x = 4,320,789 × 4,320,789
4. Step 4: Simplify right side
   2,798,088x = 18,669,217,582,521
5. Step 5: Solve for x
   x = 18,669,217,582,521/2,798,088
6. Step 6: Final answer
   x = 6,672,133.82