Finding the Third Proportional to 42,607.31 and 91,755.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,607.31 : 91,755.38 = 91,755.38 : x
2. Step 2: Convert to fraction form
   42,607.31/91,755.38 = 91,755.38/x
3. Step 3: Cross multiply
   42,607.31x = 91,755.38 × 91,755.38
4. Step 4: Simplify right side
   42,607.31x = 8,419,048,841.39
5. Step 5: Solve for x
   x = 8,419,048,841.39/42,607.31
6. Step 6: Final answer
   x = 197,596.34