Finding the Third Proportional to 51,969.52 and 72,406.62

Step by Step Solution

1. Step 1: Write the proportion equation
   51,969.52 : 72,406.62 = 72,406.62 : x
2. Step 2: Convert to fraction form
   51,969.52/72,406.62 = 72,406.62/x
3. Step 3: Cross multiply
   51,969.52x = 72,406.62 × 72,406.62
4. Step 4: Simplify right side
   51,969.52x = 5,242,718,212.54
5. Step 5: Solve for x
   x = 5,242,718,212.54/51,969.52
6. Step 6: Final answer
   x = 100,880.64