Finding the Third Proportional to 42,938.06 and 91,772.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,938.06 : 91,772.72 = 91,772.72 : x
2. Step 2: Convert to fraction form
   42,938.06/91,772.72 = 91,772.72/x
3. Step 3: Cross multiply
   42,938.06x = 91,772.72 × 91,772.72
4. Step 4: Simplify right side
   42,938.06x = 8,422,231,906.77
5. Step 5: Solve for x
   x = 8,422,231,906.77/42,938.06
6. Step 6: Final answer
   x = 196,148.39