Finding the Third Proportional to 205,539 and 448,330.50

Step by Step Solution

1. Step 1: Write the proportion equation
   205,539 : 448,330.50 = 448,330.50 : x
2. Step 2: Convert to fraction form
   205,539/448,330.50 = 448,330.50/x
3. Step 3: Cross multiply
   205,539x = 448,330.50 × 448,330.50
4. Step 4: Simplify right side
   205,539x = 201,000,237,230.25
5. Step 5: Solve for x
   x = 201,000,237,230.25/205,539
6. Step 6: Final answer
   x = 977,917.75