Finding the Third Proportional to 198,737 and 300,673.50

Step by Step Solution

1. Step 1: Write the proportion equation
   198,737 : 300,673.50 = 300,673.50 : x
2. Step 2: Convert to fraction form
   198,737/300,673.50 = 300,673.50/x
3. Step 3: Cross multiply
   198,737x = 300,673.50 × 300,673.50
4. Step 4: Simplify right side
   198,737x = 90,404,553,602.25
5. Step 5: Solve for x
   x = 90,404,553,602.25/198,737
6. Step 6: Final answer
   x = 454,895.43