Finding the Third Proportional to 159,660 and 266,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,660 : 266,089.50 = 266,089.50 : x
2. Step 2: Convert to fraction form
   159,660/266,089.50 = 266,089.50/x
3. Step 3: Cross multiply
   159,660x = 266,089.50 × 266,089.50
4. Step 4: Simplify right side
   159,660x = 70,803,622,010.25
5. Step 5: Solve for x
   x = 70,803,622,010.25/159,660
6. Step 6: Final answer
   x = 443,465.00