Finding the Third Proportional to 140,764.50 and 207,414

Step by Step Solution

1. Step 1: Write the proportion equation
   140,764.50 : 207,414 = 207,414 : x
2. Step 2: Convert to fraction form
   140,764.50/207,414 = 207,414/x
3. Step 3: Cross multiply
   140,764.50x = 207,414 × 207,414
4. Step 4: Simplify right side
   140,764.50x = 43,020,567,396
5. Step 5: Solve for x
   x = 43,020,567,396/140,764.50
6. Step 6: Final answer
   x = 305,620.86