Finding the Third Proportional to 198,243 and 302,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   198,243 : 302,008.50 = 302,008.50 : x
2. Step 2: Convert to fraction form
   198,243/302,008.50 = 302,008.50/x
3. Step 3: Cross multiply
   198,243x = 302,008.50 × 302,008.50
4. Step 4: Simplify right side
   198,243x = 91,209,134,072.25
5. Step 5: Solve for x
   x = 91,209,134,072.25/198,243
6. Step 6: Final answer
   x = 460,087.54