Finding the Third Proportional to 51,409.69 and 73,894.78

Step by Step Solution

1. Step 1: Write the proportion equation
   51,409.69 : 73,894.78 = 73,894.78 : x
2. Step 2: Convert to fraction form
   51,409.69/73,894.78 = 73,894.78/x
3. Step 3: Cross multiply
   51,409.69x = 73,894.78 × 73,894.78
4. Step 4: Simplify right side
   51,409.69x = 5,460,438,695.99
5. Step 5: Solve for x
   x = 5,460,438,695.99/51,409.69
6. Step 6: Final answer
   x = 106,214.20