Finding the Third Proportional to 208,147 and 297,436.50

Step by Step Solution

1. Step 1: Write the proportion equation
   208,147 : 297,436.50 = 297,436.50 : x
2. Step 2: Convert to fraction form
   208,147/297,436.50 = 297,436.50/x
3. Step 3: Cross multiply
   208,147x = 297,436.50 × 297,436.50
4. Step 4: Simplify right side
   208,147x = 88,468,471,532.25
5. Step 5: Solve for x
   x = 88,468,471,532.25/208,147
6. Step 6: Final answer
   x = 425,028.81