Finding the Third Proportional to 445,979 and 635,752.50

Step by Step Solution

1. Step 1: Write the proportion equation
   445,979 : 635,752.50 = 635,752.50 : x
2. Step 2: Convert to fraction form
   445,979/635,752.50 = 635,752.50/x
3. Step 3: Cross multiply
   445,979x = 635,752.50 × 635,752.50
4. Step 4: Simplify right side
   445,979x = 404,181,241,256.25
5. Step 5: Solve for x
   x = 404,181,241,256.25/445,979
6. Step 6: Final answer
   x = 906,278.64