Finding the Third Proportional to 407,018.50 and 886,352

Step by Step Solution

1. Step 1: Write the proportion equation
   407,018.50 : 886,352 = 886,352 : x
2. Step 2: Convert to fraction form
   407,018.50/886,352 = 886,352/x
3. Step 3: Cross multiply
   407,018.50x = 886,352 × 886,352
4. Step 4: Simplify right side
   407,018.50x = 785,619,867,904
5. Step 5: Solve for x
   x = 785,619,867,904/407,018.50
6. Step 6: Final answer
   x = 1,930,182.21