Finding the Third Proportional to 27,996.50 and 42,121.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,996.50 : 42,121.50 = 42,121.50 : x
2. Step 2: Convert to fraction form
   27,996.50/42,121.50 = 42,121.50/x
3. Step 3: Cross multiply
   27,996.50x = 42,121.50 × 42,121.50
4. Step 4: Simplify right side
   27,996.50x = 1,774,220,762.25
5. Step 5: Solve for x
   x = 1,774,220,762.25/27,996.50
6. Step 6: Final answer
   x = 63,372.95