Finding the Third Proportional to 70,140 and 105,939

Step by Step Solution

1. Step 1: Write the proportion equation
   70,140 : 105,939 = 105,939 : x
2. Step 2: Convert to fraction form
   70,140/105,939 = 105,939/x
3. Step 3: Cross multiply
   70,140x = 105,939 × 105,939
4. Step 4: Simplify right side
   70,140x = 11,223,071,721
5. Step 5: Solve for x
   x = 11,223,071,721/70,140
6. Step 6: Final answer
   x = 160,009.58