Finding the Third Proportional to 19,561.50 and 37,179

Step by Step Solution

1. Step 1: Write the proportion equation
   19,561.50 : 37,179 = 37,179 : x
2. Step 2: Convert to fraction form
   19,561.50/37,179 = 37,179/x
3. Step 3: Cross multiply
   19,561.50x = 37,179 × 37,179
4. Step 4: Simplify right side
   19,561.50x = 1,382,278,041
5. Step 5: Solve for x
   x = 1,382,278,041/19,561.50
6. Step 6: Final answer
   x = 70,663.19