Finding the Third Proportional to 296,355 and 447,088.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,355 : 447,088.50 = 447,088.50 : x
2. Step 2: Convert to fraction form
   296,355/447,088.50 = 447,088.50/x
3. Step 3: Cross multiply
   296,355x = 447,088.50 × 447,088.50
4. Step 4: Simplify right side
   296,355x = 199,888,126,832.25
5. Step 5: Solve for x
   x = 199,888,126,832.25/296,355
6. Step 6: Final answer
   x = 674,488.79