Finding the Third Proportional to 132,606 and 272,866.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,606 : 272,866.50 = 272,866.50 : x
2. Step 2: Convert to fraction form
   132,606/272,866.50 = 272,866.50/x
3. Step 3: Cross multiply
   132,606x = 272,866.50 × 272,866.50
4. Step 4: Simplify right side
   132,606x = 74,456,126,822.25
5. Step 5: Solve for x
   x = 74,456,126,822.25/132,606
6. Step 6: Final answer
   x = 561,483.85