Finding the Third Proportional to 21,069 and 31,737.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,069 : 31,737.50 = 31,737.50 : x
2. Step 2: Convert to fraction form
   21,069/31,737.50 = 31,737.50/x
3. Step 3: Cross multiply
   21,069x = 31,737.50 × 31,737.50
4. Step 4: Simplify right side
   21,069x = 1,007,268,906.25
5. Step 5: Solve for x
   x = 1,007,268,906.25/21,069
6. Step 6: Final answer
   x = 47,808.10