Finding the Third Proportional to 17,752 and 42,212

Step by Step Solution

1. Step 1: Write the proportion equation
   17,752 : 42,212 = 42,212 : x
2. Step 2: Convert to fraction form
   17,752/42,212 = 42,212/x
3. Step 3: Cross multiply
   17,752x = 42,212 × 42,212
4. Step 4: Simplify right side
   17,752x = 1,781,852,944
5. Step 5: Solve for x
   x = 1,781,852,944/17,752
6. Step 6: Final answer
   x = 100,374.77