Finding the Third Proportional to 69,445 and 105,140

Step by Step Solution

1. Step 1: Write the proportion equation
   69,445 : 105,140 = 105,140 : x
2. Step 2: Convert to fraction form
   69,445/105,140 = 105,140/x
3. Step 3: Cross multiply
   69,445x = 105,140 × 105,140
4. Step 4: Simplify right side
   69,445x = 11,054,419,600
5. Step 5: Solve for x
   x = 11,054,419,600/69,445
6. Step 6: Final answer
   x = 159,182.37