Finding the Third Proportional to 84,372 and 178,230.50

Step by Step Solution

1. Step 1: Write the proportion equation
   84,372 : 178,230.50 = 178,230.50 : x
2. Step 2: Convert to fraction form
   84,372/178,230.50 = 178,230.50/x
3. Step 3: Cross multiply
   84,372x = 178,230.50 × 178,230.50
4. Step 4: Simplify right side
   84,372x = 31,766,111,130.25
5. Step 5: Solve for x
   x = 31,766,111,130.25/84,372
6. Step 6: Final answer
   x = 376,500.63