Finding the Third Proportional to 22,372 and 34,780

Step by Step Solution

1. Step 1: Write the proportion equation
   22,372 : 34,780 = 34,780 : x
2. Step 2: Convert to fraction form
   22,372/34,780 = 34,780/x
3. Step 3: Cross multiply
   22,372x = 34,780 × 34,780
4. Step 4: Simplify right side
   22,372x = 1,209,648,400
5. Step 5: Solve for x
   x = 1,209,648,400/22,372
6. Step 6: Final answer
   x = 54,069.75