Finding the Third Proportional to 16,425 and 34,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,425 : 34,018.50 = 34,018.50 : x
2. Step 2: Convert to fraction form
   16,425/34,018.50 = 34,018.50/x
3. Step 3: Cross multiply
   16,425x = 34,018.50 × 34,018.50
4. Step 4: Simplify right side
   16,425x = 1,157,258,342.25
5. Step 5: Solve for x
   x = 1,157,258,342.25/16,425
6. Step 6: Final answer
   x = 70,457.13