Finding the Third Proportional to 194,744 and 308,109

Step by Step Solution

1. Step 1: Write the proportion equation
   194,744 : 308,109 = 308,109 : x
2. Step 2: Convert to fraction form
   194,744/308,109 = 308,109/x
3. Step 3: Cross multiply
   194,744x = 308,109 × 308,109
4. Step 4: Simplify right side
   194,744x = 94,931,155,881
5. Step 5: Solve for x
   x = 94,931,155,881/194,744
6. Step 6: Final answer
   x = 487,466.40