Finding the Third Proportional to 70,399 and 103,636

Step by Step Solution

1. Step 1: Write the proportion equation
   70,399 : 103,636 = 103,636 : x
2. Step 2: Convert to fraction form
   70,399/103,636 = 103,636/x
3. Step 3: Cross multiply
   70,399x = 103,636 × 103,636
4. Step 4: Simplify right side
   70,399x = 10,740,420,496
5. Step 5: Solve for x
   x = 10,740,420,496/70,399
6. Step 6: Final answer
   x = 152,564.96