Finding the Third Proportional to 208,539 and 455,305.50

Step by Step Solution

1. Step 1: Write the proportion equation
   208,539 : 455,305.50 = 455,305.50 : x
2. Step 2: Convert to fraction form
   208,539/455,305.50 = 455,305.50/x
3. Step 3: Cross multiply
   208,539x = 455,305.50 × 455,305.50
4. Step 4: Simplify right side
   208,539x = 207,303,098,330.25
5. Step 5: Solve for x
   x = 207,303,098,330.25/208,539
6. Step 6: Final answer
   x = 994,073.52