Finding the Third Proportional to 15,620 and 33,734.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,620 : 33,734.50 = 33,734.50 : x
2. Step 2: Convert to fraction form
   15,620/33,734.50 = 33,734.50/x
3. Step 3: Cross multiply
   15,620x = 33,734.50 × 33,734.50
4. Step 4: Simplify right side
   15,620x = 1,138,016,490.25
5. Step 5: Solve for x
   x = 1,138,016,490.25/15,620
6. Step 6: Final answer
   x = 72,856.37