Finding the Third Proportional to 69,172 and 100,086

Step by Step Solution

1. Step 1: Write the proportion equation
   69,172 : 100,086 = 100,086 : x
2. Step 2: Convert to fraction form
   69,172/100,086 = 100,086/x
3. Step 3: Cross multiply
   69,172x = 100,086 × 100,086
4. Step 4: Simplify right side
   69,172x = 10,017,207,396
5. Step 5: Solve for x
   x = 10,017,207,396/69,172
6. Step 6: Final answer
   x = 144,815.93