Finding the Third Proportional to 45,643.50 and 98,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,643.50 : 98,308.50 = 98,308.50 : x
2. Step 2: Convert to fraction form
   45,643.50/98,308.50 = 98,308.50/x
3. Step 3: Cross multiply
   45,643.50x = 98,308.50 × 98,308.50
4. Step 4: Simplify right side
   45,643.50x = 9,664,561,172.25
5. Step 5: Solve for x
   x = 9,664,561,172.25/45,643.50
6. Step 6: Final answer
   x = 211,740.14