Finding the Third Proportional to 42,358.50 and 91,277.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,358.50 : 91,277.63 = 91,277.63 : x
2. Step 2: Convert to fraction form
   42,358.50/91,277.63 = 91,277.63/x
3. Step 3: Cross multiply
   42,358.50x = 91,277.63 × 91,277.63
4. Step 4: Simplify right side
   42,358.50x = 8,331,604,825.64
5. Step 5: Solve for x
   x = 8,331,604,825.64/42,358.50
6. Step 6: Final answer
   x = 196,692.63