Finding the Third Proportional to 205,678.50 and 448,260

Step by Step Solution

1. Step 1: Write the proportion equation
   205,678.50 : 448,260 = 448,260 : x
2. Step 2: Convert to fraction form
   205,678.50/448,260 = 448,260/x
3. Step 3: Cross multiply
   205,678.50x = 448,260 × 448,260
4. Step 4: Simplify right side
   205,678.50x = 200,937,027,600
5. Step 5: Solve for x
   x = 200,937,027,600/205,678.50
6. Step 6: Final answer
   x = 976,947.17