Finding the Third Proportional to 445,981.50 and 635,756.25

Step by Step Solution

1. Step 1: Write the proportion equation
   445,981.50 : 635,756.25 = 635,756.25 : x
2. Step 2: Convert to fraction form
   445,981.50/635,756.25 = 635,756.25/x
3. Step 3: Cross multiply
   445,981.50x = 635,756.25 × 635,756.25
4. Step 4: Simplify right side
   445,981.50x = 404,186,009,414.06
5. Step 5: Solve for x
   x = 404,186,009,414.06/445,981.50
6. Step 6: Final answer
   x = 906,284.25