Finding the Third Proportional to 70,394 and 141,940

Step by Step Solution

1. Step 1: Write the proportion equation
   70,394 : 141,940 = 141,940 : x
2. Step 2: Convert to fraction form
   70,394/141,940 = 141,940/x
3. Step 3: Cross multiply
   70,394x = 141,940 × 141,940
4. Step 4: Simplify right side
   70,394x = 20,146,963,600
5. Step 5: Solve for x
   x = 20,146,963,600/70,394
6. Step 6: Final answer
   x = 286,202.85