Finding the Third Proportional to 42,431.38 and 88,349

Step by Step Solution

1. Step 1: Write the proportion equation
   42,431.38 : 88,349 = 88,349 : x
2. Step 2: Convert to fraction form
   42,431.38/88,349 = 88,349/x
3. Step 3: Cross multiply
   42,431.38x = 88,349 × 88,349
4. Step 4: Simplify right side
   42,431.38x = 7,805,545,801
5. Step 5: Solve for x
   x = 7,805,545,801/42,431.38
6. Step 6: Final answer
   x = 183,956.94