Finding the Third Proportional to 787,540 and 1,719,440

Step by Step Solution

1. Step 1: Write the proportion equation
   787,540 : 1,719,440 = 1,719,440 : x
2. Step 2: Convert to fraction form
   787,540/1,719,440 = 1,719,440/x
3. Step 3: Cross multiply
   787,540x = 1,719,440 × 1,719,440
4. Step 4: Simplify right side
   787,540x = 2,956,473,913,600
5. Step 5: Solve for x
   x = 2,956,473,913,600/787,540
6. Step 6: Final answer
   x = 3,754,061.91