Finding the Third Proportional to 1,341,540 and 2,154,222

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341,540 : 2,154,222 = 2,154,222 : x
2. Step 2: Convert to fraction form
   1,341,540/2,154,222 = 2,154,222/x
3. Step 3: Cross multiply
   1,341,540x = 2,154,222 × 2,154,222
4. Step 4: Simplify right side
   1,341,540x = 4,640,672,425,284
5. Step 5: Solve for x
   x = 4,640,672,425,284/1,341,540
6. Step 6: Final answer
   x = 3,459,212.86