Finding the Third Proportional to 69,598 and 105,780

Step by Step Solution

1. Step 1: Write the proportion equation
   69,598 : 105,780 = 105,780 : x
2. Step 2: Convert to fraction form
   69,598/105,780 = 105,780/x
3. Step 3: Cross multiply
   69,598x = 105,780 × 105,780
4. Step 4: Simplify right side
   69,598x = 11,189,408,400
5. Step 5: Solve for x
   x = 11,189,408,400/69,598
6. Step 6: Final answer
   x = 160,771.98