Finding the Third Proportional to 89,480 and 194,948

Step by Step Solution

1. Step 1: Write the proportion equation
   89,480 : 194,948 = 194,948 : x
2. Step 2: Convert to fraction form
   89,480/194,948 = 194,948/x
3. Step 3: Cross multiply
   89,480x = 194,948 × 194,948
4. Step 4: Simplify right side
   89,480x = 38,004,722,704
5. Step 5: Solve for x
   x = 38,004,722,704/89,480
6. Step 6: Final answer
   x = 424,728.68