Finding the Third Proportional to 98,700.50 and 140,669.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,700.50 : 140,669.50 = 140,669.50 : x
2. Step 2: Convert to fraction form
   98,700.50/140,669.50 = 140,669.50/x
3. Step 3: Cross multiply
   98,700.50x = 140,669.50 × 140,669.50
4. Step 4: Simplify right side
   98,700.50x = 19,787,908,230.25
5. Step 5: Solve for x
   x = 19,787,908,230.25/98,700.50
6. Step 6: Final answer
   x = 200,484.38