Finding the Third Proportional to 57,807 and 84,928.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,807 : 84,928.50 = 84,928.50 : x
2. Step 2: Convert to fraction form
   57,807/84,928.50 = 84,928.50/x
3. Step 3: Cross multiply
   57,807x = 84,928.50 × 84,928.50
4. Step 4: Simplify right side
   57,807x = 7,212,850,112.25
5. Step 5: Solve for x
   x = 7,212,850,112.25/57,807
6. Step 6: Final answer
   x = 124,774.68