Finding the Third Proportional to 415,131.75 and 899,118.56

Step by Step Solution

1. Step 1: Write the proportion equation
   415,131.75 : 899,118.56 = 899,118.56 : x
2. Step 2: Convert to fraction form
   415,131.75/899,118.56 = 899,118.56/x
3. Step 3: Cross multiply
   415,131.75x = 899,118.56 × 899,118.56
4. Step 4: Simplify right side
   415,131.75x = 808,414,189,432.07
5. Step 5: Solve for x
   x = 808,414,189,432.07/415,131.75
6. Step 6: Final answer
   x = 1,947,367.77