Finding the Third Proportional to 420,124 and 921,884

Step by Step Solution

1. Step 1: Write the proportion equation
   420,124 : 921,884 = 921,884 : x
2. Step 2: Convert to fraction form
   420,124/921,884 = 921,884/x
3. Step 3: Cross multiply
   420,124x = 921,884 × 921,884
4. Step 4: Simplify right side
   420,124x = 849,870,109,456
5. Step 5: Solve for x
   x = 849,870,109,456/420,124
6. Step 6: Final answer
   x = 2,022,903.02