Finding the Third Proportional to 221,924 and 485,364

Step by Step Solution

1. Step 1: Write the proportion equation
   221,924 : 485,364 = 485,364 : x
2. Step 2: Convert to fraction form
   221,924/485,364 = 485,364/x
3. Step 3: Cross multiply
   221,924x = 485,364 × 485,364
4. Step 4: Simplify right side
   221,924x = 235,578,212,496
5. Step 5: Solve for x
   x = 235,578,212,496/221,924
6. Step 6: Final answer
   x = 1,061,526.52