Finding the Third Proportional to 426,436 and 919,298

Step by Step Solution

1. Step 1: Write the proportion equation
   426,436 : 919,298 = 919,298 : x
2. Step 2: Convert to fraction form
   426,436/919,298 = 919,298/x
3. Step 3: Cross multiply
   426,436x = 919,298 × 919,298
4. Step 4: Simplify right side
   426,436x = 845,108,812,804
5. Step 5: Solve for x
   x = 845,108,812,804/426,436
6. Step 6: Final answer
   x = 1,981,795.19