Finding the Third Proportional to 174,987 and 383,870.81

Step by Step Solution

1. Step 1: Write the proportion equation
   174,987 : 383,870.81 = 383,870.81 : x
2. Step 2: Convert to fraction form
   174,987/383,870.81 = 383,870.81/x
3. Step 3: Cross multiply
   174,987x = 383,870.81 × 383,870.81
4. Step 4: Simplify right side
   174,987x = 147,356,800,689.41
5. Step 5: Solve for x
   x = 147,356,800,689.41/174,987
6. Step 6: Final answer
   x = 842,101.42