Finding the Third Proportional to 213,332 and 493,878

Step by Step Solution

1. Step 1: Write the proportion equation
   213,332 : 493,878 = 493,878 : x
2. Step 2: Convert to fraction form
   213,332/493,878 = 493,878/x
3. Step 3: Cross multiply
   213,332x = 493,878 × 493,878
4. Step 4: Simplify right side
   213,332x = 243,915,478,884
5. Step 5: Solve for x
   x = 243,915,478,884/213,332
6. Step 6: Final answer
   x = 1,143,360.95