Finding the Third Proportional to 213,118 and 492,092

Step by Step Solution

1. Step 1: Write the proportion equation
   213,118 : 492,092 = 492,092 : x
2. Step 2: Convert to fraction form
   213,118/492,092 = 492,092/x
3. Step 3: Cross multiply
   213,118x = 492,092 × 492,092
4. Step 4: Simplify right side
   213,118x = 242,154,536,464
5. Step 5: Solve for x
   x = 242,154,536,464/213,118
6. Step 6: Final answer
   x = 1,136,246.29