Finding the Third Proportional to 1,472,178 and 2,215,638

Step by Step Solution

1. Step 1: Write the proportion equation
   1,472,178 : 2,215,638 = 2,215,638 : x
2. Step 2: Convert to fraction form
   1,472,178/2,215,638 = 2,215,638/x
3. Step 3: Cross multiply
   1,472,178x = 2,215,638 × 2,215,638
4. Step 4: Simplify right side
   1,472,178x = 4,909,051,747,044
5. Step 5: Solve for x
   x = 4,909,051,747,044/1,472,178
6. Step 6: Final answer
   x = 3,334,550.41