Finding the Third Proportional to 42,076.50 and 61,867.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,076.50 : 61,867.50 = 61,867.50 : x
2. Step 2: Convert to fraction form
   42,076.50/61,867.50 = 61,867.50/x
3. Step 3: Cross multiply
   42,076.50x = 61,867.50 × 61,867.50
4. Step 4: Simplify right side
   42,076.50x = 3,827,587,556.25
5. Step 5: Solve for x
   x = 3,827,587,556.25/42,076.50
6. Step 6: Final answer
   x = 90,967.35