Finding the Third Proportional to 175,018.50 and 383,931

Step by Step Solution

1. Step 1: Write the proportion equation
   175,018.50 : 383,931 = 383,931 : x
2. Step 2: Convert to fraction form
   175,018.50/383,931 = 383,931/x
3. Step 3: Cross multiply
   175,018.50x = 383,931 × 383,931
4. Step 4: Simplify right side
   175,018.50x = 147,403,012,761
5. Step 5: Solve for x
   x = 147,403,012,761/175,018.50
6. Step 6: Final answer
   x = 842,213.90