Finding the Third Proportional to 31,390.88 and 43,905.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,390.88 : 43,905.38 = 43,905.38 : x
2. Step 2: Convert to fraction form
   31,390.88/43,905.38 = 43,905.38/x
3. Step 3: Cross multiply
   31,390.88x = 43,905.38 × 43,905.38
4. Step 4: Simplify right side
   31,390.88x = 1,927,681,953.89
5. Step 5: Solve for x
   x = 1,927,681,953.89/31,390.88
6. Step 6: Final answer
   x = 61,408.99