Finding the Third Proportional to 70,008.50 and 105,519

Step by Step Solution

1. Step 1: Write the proportion equation
   70,008.50 : 105,519 = 105,519 : x
2. Step 2: Convert to fraction form
   70,008.50/105,519 = 105,519/x
3. Step 3: Cross multiply
   70,008.50x = 105,519 × 105,519
4. Step 4: Simplify right side
   70,008.50x = 11,134,259,361
5. Step 5: Solve for x
   x = 11,134,259,361/70,008.50
6. Step 6: Final answer
   x = 159,041.54