Finding the Third Proportional to 196,899.19 and 297,152.72

Step by Step Solution

1. Step 1: Write the proportion equation
   196,899.19 : 297,152.72 = 297,152.72 : x
2. Step 2: Convert to fraction form
   196,899.19/297,152.72 = 297,152.72/x
3. Step 3: Cross multiply
   196,899.19x = 297,152.72 × 297,152.72
4. Step 4: Simplify right side
   196,899.19x = 88,299,738,260.52
5. Step 5: Solve for x
   x = 88,299,738,260.52/196,899.19
6. Step 6: Final answer
   x = 448,451.51