Finding the Third Proportional to 178,851 and 379,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   178,851 : 379,018.50 = 379,018.50 : x
2. Step 2: Convert to fraction form
   178,851/379,018.50 = 379,018.50/x
3. Step 3: Cross multiply
   178,851x = 379,018.50 × 379,018.50
4. Step 4: Simplify right side
   178,851x = 143,655,023,342.25
5. Step 5: Solve for x
   x = 143,655,023,342.25/178,851
6. Step 6: Final answer
   x = 803,210.62