Finding the Third Proportional to 42,352 and 66,996

Step by Step Solution

1. Step 1: Write the proportion equation
   42,352 : 66,996 = 66,996 : x
2. Step 2: Convert to fraction form
   42,352/66,996 = 66,996/x
3. Step 3: Cross multiply
   42,352x = 66,996 × 66,996
4. Step 4: Simplify right side
   42,352x = 4,488,464,016
5. Step 5: Solve for x
   x = 4,488,464,016/42,352
6. Step 6: Final answer
   x = 105,979.98