Finding the Third Proportional to 424,141 and 921,910

Step by Step Solution

1. Step 1: Write the proportion equation
   424,141 : 921,910 = 921,910 : x
2. Step 2: Convert to fraction form
   424,141/921,910 = 921,910/x
3. Step 3: Cross multiply
   424,141x = 921,910 × 921,910
4. Step 4: Simplify right side
   424,141x = 849,918,048,100
5. Step 5: Solve for x
   x = 849,918,048,100/424,141
6. Step 6: Final answer
   x = 2,003,857.32