Finding the Third Proportional to 39,354.61 and 84,928.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,354.61 : 84,928.50 = 84,928.50 : x
2. Step 2: Convert to fraction form
   39,354.61/84,928.50 = 84,928.50/x
3. Step 3: Cross multiply
   39,354.61x = 84,928.50 × 84,928.50
4. Step 4: Simplify right side
   39,354.61x = 7,212,850,112.25
5. Step 5: Solve for x
   x = 7,212,850,112.25/39,354.61
6. Step 6: Final answer
   x = 183,278.41