Finding the Third Proportional to 296,071.50 and 449,646

Step by Step Solution

1. Step 1: Write the proportion equation
   296,071.50 : 449,646 = 449,646 : x
2. Step 2: Convert to fraction form
   296,071.50/449,646 = 449,646/x
3. Step 3: Cross multiply
   296,071.50x = 449,646 × 449,646
4. Step 4: Simplify right side
   296,071.50x = 202,181,525,316
5. Step 5: Solve for x
   x = 202,181,525,316/296,071.50
6. Step 6: Final answer
   x = 682,880.74