Finding the Third Proportional to 431,930 and 929,060

Step by Step Solution

1. Step 1: Write the proportion equation
   431,930 : 929,060 = 929,060 : x
2. Step 2: Convert to fraction form
   431,930/929,060 = 929,060/x
3. Step 3: Cross multiply
   431,930x = 929,060 × 929,060
4. Step 4: Simplify right side
   431,930x = 863,152,483,600
5. Step 5: Solve for x
   x = 863,152,483,600/431,930
6. Step 6: Final answer
   x = 1,998,361.97