Finding the Third Proportional to 28,836 and 42,212

Step by Step Solution

1. Step 1: Write the proportion equation
   28,836 : 42,212 = 42,212 : x
2. Step 2: Convert to fraction form
   28,836/42,212 = 42,212/x
3. Step 3: Cross multiply
   28,836x = 42,212 × 42,212
4. Step 4: Simplify right side
   28,836x = 1,781,852,944
5. Step 5: Solve for x
   x = 1,781,852,944/28,836
6. Step 6: Final answer
   x = 61,792.65