Finding the Third Proportional to 1,418,472 and 2,180,196

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418,472 : 2,180,196 = 2,180,196 : x
2. Step 2: Convert to fraction form
   1,418,472/2,180,196 = 2,180,196/x
3. Step 3: Cross multiply
   1,418,472x = 2,180,196 × 2,180,196
4. Step 4: Simplify right side
   1,418,472x = 4,753,254,598,416
5. Step 5: Solve for x
   x = 4,753,254,598,416/1,418,472
6. Step 6: Final answer
   x = 3,350,968.22