Finding the Third Proportional to 27,931.50 and 39,070.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,931.50 : 39,070.50 = 39,070.50 : x
2. Step 2: Convert to fraction form
   27,931.50/39,070.50 = 39,070.50/x
3. Step 3: Cross multiply
   27,931.50x = 39,070.50 × 39,070.50
4. Step 4: Simplify right side
   27,931.50x = 1,526,503,970.25
5. Step 5: Solve for x
   x = 1,526,503,970.25/27,931.50
6. Step 6: Final answer
   x = 54,651.70