Finding the Third Proportional to 407,185.50 and 886,659

Step by Step Solution

1. Step 1: Write the proportion equation
   407,185.50 : 886,659 = 886,659 : x
2. Step 2: Convert to fraction form
   407,185.50/886,659 = 886,659/x
3. Step 3: Cross multiply
   407,185.50x = 886,659 × 886,659
4. Step 4: Simplify right side
   407,185.50x = 786,164,182,281
5. Step 5: Solve for x
   x = 786,164,182,281/407,185.50
6. Step 6: Final answer
   x = 1,930,727.35