Finding the Third Proportional to 42,392.25 and 91,343.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,392.25 : 91,343.25 = 91,343.25 : x
2. Step 2: Convert to fraction form
   42,392.25/91,343.25 = 91,343.25/x
3. Step 3: Cross multiply
   42,392.25x = 91,343.25 × 91,343.25
4. Step 4: Simplify right side
   42,392.25x = 8,343,589,320.56
5. Step 5: Solve for x
   x = 8,343,589,320.56/42,392.25
6. Step 6: Final answer
   x = 196,818.74