Finding the Third Proportional to 73,130 and 109,216

Step by Step Solution

1. Step 1: Write the proportion equation
   73,130 : 109,216 = 109,216 : x
2. Step 2: Convert to fraction form
   73,130/109,216 = 109,216/x
3. Step 3: Cross multiply
   73,130x = 109,216 × 109,216
4. Step 4: Simplify right side
   73,130x = 11,928,134,656
5. Step 5: Solve for x
   x = 11,928,134,656/73,130
6. Step 6: Final answer
   x = 163,108.64