Finding the Third Proportional to 69,316 and 111,630

Step by Step Solution

1. Step 1: Write the proportion equation
   69,316 : 111,630 = 111,630 : x
2. Step 2: Convert to fraction form
   69,316/111,630 = 111,630/x
3. Step 3: Cross multiply
   69,316x = 111,630 × 111,630
4. Step 4: Simplify right side
   69,316x = 12,461,256,900
5. Step 5: Solve for x
   x = 12,461,256,900/69,316
6. Step 6: Final answer
   x = 179,774.61