Finding the Third Proportional to 70,138 and 151,940

Step by Step Solution

1. Step 1: Write the proportion equation
   70,138 : 151,940 = 151,940 : x
2. Step 2: Convert to fraction form
   70,138/151,940 = 151,940/x
3. Step 3: Cross multiply
   70,138x = 151,940 × 151,940
4. Step 4: Simplify right side
   70,138x = 23,085,763,600
5. Step 5: Solve for x
   x = 23,085,763,600/70,138
6. Step 6: Final answer
   x = 329,147.73