Finding the Third Proportional to 242,732 and 376,877.50

Step by Step Solution

1. Step 1: Write the proportion equation
   242,732 : 376,877.50 = 376,877.50 : x
2. Step 2: Convert to fraction form
   242,732/376,877.50 = 376,877.50/x
3. Step 3: Cross multiply
   242,732x = 376,877.50 × 376,877.50
4. Step 4: Simplify right side
   242,732x = 142,036,650,006.25
5. Step 5: Solve for x
   x = 142,036,650,006.25/242,732
6. Step 6: Final answer
   x = 585,158.32