Finding the Third Proportional to 70,396 and 103,720

Step by Step Solution

1. Step 1: Write the proportion equation
   70,396 : 103,720 = 103,720 : x
2. Step 2: Convert to fraction form
   70,396/103,720 = 103,720/x
3. Step 3: Cross multiply
   70,396x = 103,720 × 103,720
4. Step 4: Simplify right side
   70,396x = 10,757,838,400
5. Step 5: Solve for x
   x = 10,757,838,400/70,396
6. Step 6: Final answer
   x = 152,818.89