Finding the Third Proportional to 445,981.50 and 635,755.50

Step by Step Solution

1. Step 1: Write the proportion equation
   445,981.50 : 635,755.50 = 635,755.50 : x
2. Step 2: Convert to fraction form
   445,981.50/635,755.50 = 635,755.50/x
3. Step 3: Cross multiply
   445,981.50x = 635,755.50 × 635,755.50
4. Step 4: Simplify right side
   445,981.50x = 404,185,055,780.25
5. Step 5: Solve for x
   x = 404,185,055,780.25/445,981.50
6. Step 6: Final answer
   x = 906,282.11