Finding the Third Proportional to 296,428.50 and 659,178

Step by Step Solution

1. Step 1: Write the proportion equation
   296,428.50 : 659,178 = 659,178 : x
2. Step 2: Convert to fraction form
   296,428.50/659,178 = 659,178/x
3. Step 3: Cross multiply
   296,428.50x = 659,178 × 659,178
4. Step 4: Simplify right side
   296,428.50x = 434,515,635,684
5. Step 5: Solve for x
   x = 434,515,635,684/296,428.50
6. Step 6: Final answer
   x = 1,465,836.23