Finding the Third Proportional to 208,114.50 and 455,436

Step by Step Solution

1. Step 1: Write the proportion equation
   208,114.50 : 455,436 = 455,436 : x
2. Step 2: Convert to fraction form
   208,114.50/455,436 = 455,436/x
3. Step 3: Cross multiply
   208,114.50x = 455,436 × 455,436
4. Step 4: Simplify right side
   208,114.50x = 207,421,950,096
5. Step 5: Solve for x
   x = 207,421,950,096/208,114.50
6. Step 6: Final answer
   x = 996,672.27