Finding the Third Proportional to 455,222 and 994,522

Step by Step Solution

1. Step 1: Write the proportion equation
   455,222 : 994,522 = 994,522 : x
2. Step 2: Convert to fraction form
   455,222/994,522 = 994,522/x
3. Step 3: Cross multiply
   455,222x = 994,522 × 994,522
4. Step 4: Simplify right side
   455,222x = 989,074,008,484
5. Step 5: Solve for x
   x = 989,074,008,484/455,222
6. Step 6: Final answer
   x = 2,172,728.93