Finding the Third Proportional to 42,109.88 and 91,227.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,109.88 : 91,227.94 = 91,227.94 : x
2. Step 2: Convert to fraction form
   42,109.88/91,227.94 = 91,227.94/x
3. Step 3: Cross multiply
   42,109.88x = 91,227.94 × 91,227.94
4. Step 4: Simplify right side
   42,109.88x = 8,322,536,580.50
5. Step 5: Solve for x
   x = 8,322,536,580.50/42,109.88
6. Step 6: Final answer
   x = 197,638.60