Finding the Third Proportional to 27,990 and 43,337.25

Step by Step Solution

1. Step 1: Write the proportion equation
   27,990 : 43,337.25 = 43,337.25 : x
2. Step 2: Convert to fraction form
   27,990/43,337.25 = 43,337.25/x
3. Step 3: Cross multiply
   27,990x = 43,337.25 × 43,337.25
4. Step 4: Simplify right side
   27,990x = 1,878,117,237.56
5. Step 5: Solve for x
   x = 1,878,117,237.56/27,990
6. Step 6: Final answer
   x = 67,099.58