Finding the Third Proportional to 208,444.50 and 455,025

Step by Step Solution

1. Step 1: Write the proportion equation
   208,444.50 : 455,025 = 455,025 : x
2. Step 2: Convert to fraction form
   208,444.50/455,025 = 455,025/x
3. Step 3: Cross multiply
   208,444.50x = 455,025 × 455,025
4. Step 4: Simplify right side
   208,444.50x = 207,047,750,625
5. Step 5: Solve for x
   x = 207,047,750,625/208,444.50
6. Step 6: Final answer
   x = 993,299.18