Finding the Third Proportional to 151,468.50 and 318,606

Step by Step Solution

1. Step 1: Write the proportion equation
   151,468.50 : 318,606 = 318,606 : x
2. Step 2: Convert to fraction form
   151,468.50/318,606 = 318,606/x
3. Step 3: Cross multiply
   151,468.50x = 318,606 × 318,606
4. Step 4: Simplify right side
   151,468.50x = 101,509,783,236
5. Step 5: Solve for x
   x = 101,509,783,236/151,468.50
6. Step 6: Final answer
   x = 670,170.91