Finding the Third Proportional to 28,730 and 42,922

Step by Step Solution

1. Step 1: Write the proportion equation
   28,730 : 42,922 = 42,922 : x
2. Step 2: Convert to fraction form
   28,730/42,922 = 42,922/x
3. Step 3: Cross multiply
   28,730x = 42,922 × 42,922
4. Step 4: Simplify right side
   28,730x = 1,842,298,084
5. Step 5: Solve for x
   x = 1,842,298,084/28,730
6. Step 6: Final answer
   x = 64,124.54