Finding the Third Proportional to 69,070 and 143,054

Step by Step Solution

1. Step 1: Write the proportion equation
   69,070 : 143,054 = 143,054 : x
2. Step 2: Convert to fraction form
   69,070/143,054 = 143,054/x
3. Step 3: Cross multiply
   69,070x = 143,054 × 143,054
4. Step 4: Simplify right side
   69,070x = 20,464,446,916
5. Step 5: Solve for x
   x = 20,464,446,916/69,070
6. Step 6: Final answer
   x = 296,285.61