Finding the Third Proportional to 866,662 and 1,248,348

Step by Step Solution

1. Step 1: Write the proportion equation
   866,662 : 1,248,348 = 1,248,348 : x
2. Step 2: Convert to fraction form
   866,662/1,248,348 = 1,248,348/x
3. Step 3: Cross multiply
   866,662x = 1,248,348 × 1,248,348
4. Step 4: Simplify right side
   866,662x = 1,558,372,729,104
5. Step 5: Solve for x
   x = 1,558,372,729,104/866,662
6. Step 6: Final answer
   x = 1,798,132.06