Finding the Third Proportional to 79,309 and 116,772

Step by Step Solution

1. Step 1: Write the proportion equation
   79,309 : 116,772 = 116,772 : x
2. Step 2: Convert to fraction form
   79,309/116,772 = 116,772/x
3. Step 3: Cross multiply
   79,309x = 116,772 × 116,772
4. Step 4: Simplify right side
   79,309x = 13,635,699,984
5. Step 5: Solve for x
   x = 13,635,699,984/79,309
6. Step 6: Final answer
   x = 171,931.31