Finding the Third Proportional to 787,781 and 1,718,146

Step by Step Solution

1. Step 1: Write the proportion equation
   787,781 : 1,718,146 = 1,718,146 : x
2. Step 2: Convert to fraction form
   787,781/1,718,146 = 1,718,146/x
3. Step 3: Cross multiply
   787,781x = 1,718,146 × 1,718,146
4. Step 4: Simplify right side
   787,781x = 2,952,025,677,316
5. Step 5: Solve for x
   x = 2,952,025,677,316/787,781
6. Step 6: Final answer
   x = 3,747,266.91