Finding the Third Proportional to 2,289,279 and 4,520,940

Step by Step Solution

1. Step 1: Write the proportion equation
   2,289,279 : 4,520,940 = 4,520,940 : x
2. Step 2: Convert to fraction form
   2,289,279/4,520,940 = 4,520,940/x
3. Step 3: Cross multiply
   2,289,279x = 4,520,940 × 4,520,940
4. Step 4: Simplify right side
   2,289,279x = 20,438,898,483,600
5. Step 5: Solve for x
   x = 20,438,898,483,600/2,289,279
6. Step 6: Final answer
   x = 8,928,094.17