Finding the Third Proportional to 42,856 and 62,608.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,856 : 62,608.50 = 62,608.50 : x
2. Step 2: Convert to fraction form
   42,856/62,608.50 = 62,608.50/x
3. Step 3: Cross multiply
   42,856x = 62,608.50 × 62,608.50
4. Step 4: Simplify right side
   42,856x = 3,919,824,272.25
5. Step 5: Solve for x
   x = 3,919,824,272.25/42,856
6. Step 6: Final answer
   x = 91,465.01