Finding the Third Proportional to 198,307.50 and 468,040.50

Step by Step Solution

1. Step 1: Write the proportion equation
   198,307.50 : 468,040.50 = 468,040.50 : x
2. Step 2: Convert to fraction form
   198,307.50/468,040.50 = 468,040.50/x
3. Step 3: Cross multiply
   198,307.50x = 468,040.50 × 468,040.50
4. Step 4: Simplify right side
   198,307.50x = 219,061,909,640.25
5. Step 5: Solve for x
   x = 219,061,909,640.25/198,307.50
6. Step 6: Final answer
   x = 1,104,657.71