Finding the Third Proportional to 849,438 and 1,866,726

Step by Step Solution

1. Step 1: Write the proportion equation
   849,438 : 1,866,726 = 1,866,726 : x
2. Step 2: Convert to fraction form
   849,438/1,866,726 = 1,866,726/x
3. Step 3: Cross multiply
   849,438x = 1,866,726 × 1,866,726
4. Step 4: Simplify right side
   849,438x = 3,484,665,959,076
5. Step 5: Solve for x
   x = 3,484,665,959,076/849,438
6. Step 6: Final answer
   x = 4,102,319.37