Finding the Third Proportional to 417,008 and 910,481.50

Step by Step Solution

1. Step 1: Write the proportion equation
   417,008 : 910,481.50 = 910,481.50 : x
2. Step 2: Convert to fraction form
   417,008/910,481.50 = 910,481.50/x
3. Step 3: Cross multiply
   417,008x = 910,481.50 × 910,481.50
4. Step 4: Simplify right side
   417,008x = 828,976,561,842.25
5. Step 5: Solve for x
   x = 828,976,561,842.25/417,008
6. Step 6: Final answer
   x = 1,987,915.25