Finding the Third Proportional to 42,940.50 and 91,778

Step by Step Solution

1. Step 1: Write the proportion equation
   42,940.50 : 91,778 = 91,778 : x
2. Step 2: Convert to fraction form
   42,940.50/91,778 = 91,778/x
3. Step 3: Cross multiply
   42,940.50x = 91,778 × 91,778
4. Step 4: Simplify right side
   42,940.50x = 8,423,201,284
5. Step 5: Solve for x
   x = 8,423,201,284/42,940.50
6. Step 6: Final answer
   x = 196,159.83