Finding the Third Proportional to 140,151.75 and 196,528.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,151.75 : 196,528.50 = 196,528.50 : x
2. Step 2: Convert to fraction form
   140,151.75/196,528.50 = 196,528.50/x
3. Step 3: Cross multiply
   140,151.75x = 196,528.50 × 196,528.50
4. Step 4: Simplify right side
   140,151.75x = 38,623,451,312.25
5. Step 5: Solve for x
   x = 38,623,451,312.25/140,151.75
6. Step 6: Final answer
   x = 275,583.08