Finding the Third Proportional to 1,057,720 and 1,611,376

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,720 : 1,611,376 = 1,611,376 : x
2. Step 2: Convert to fraction form
   1,057,720/1,611,376 = 1,611,376/x
3. Step 3: Cross multiply
   1,057,720x = 1,611,376 × 1,611,376
4. Step 4: Simplify right side
   1,057,720x = 2,596,532,613,376
5. Step 5: Solve for x
   x = 2,596,532,613,376/1,057,720
6. Step 6: Final answer
   x = 2,454,839.29