Finding the Third Proportional to 141,369 and 207,811.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,369 : 207,811.50 = 207,811.50 : x
2. Step 2: Convert to fraction form
   141,369/207,811.50 = 207,811.50/x
3. Step 3: Cross multiply
   141,369x = 207,811.50 × 207,811.50
4. Step 4: Simplify right side
   141,369x = 43,185,619,532.25
5. Step 5: Solve for x
   x = 43,185,619,532.25/141,369
6. Step 6: Final answer
   x = 305,481.54