Finding the Third Proportional to 426,436 and 919,300

Step by Step Solution

1. Step 1: Write the proportion equation
   426,436 : 919,300 = 919,300 : x
2. Step 2: Convert to fraction form
   426,436/919,300 = 919,300/x
3. Step 3: Cross multiply
   426,436x = 919,300 × 919,300
4. Step 4: Simplify right side
   426,436x = 845,112,490,000
5. Step 5: Solve for x
   x = 845,112,490,000/426,436
6. Step 6: Final answer
   x = 1,981,803.81