Finding the Third Proportional to 420,398 and 922,550

Step by Step Solution

1. Step 1: Write the proportion equation
   420,398 : 922,550 = 922,550 : x
2. Step 2: Convert to fraction form
   420,398/922,550 = 922,550/x
3. Step 3: Cross multiply
   420,398x = 922,550 × 922,550
4. Step 4: Simplify right side
   420,398x = 851,098,502,500
5. Step 5: Solve for x
   x = 851,098,502,500/420,398
6. Step 6: Final answer
   x = 2,024,506.54