Finding the Third Proportional to 237,576 and 516,978.50

Step by Step Solution

1. Step 1: Write the proportion equation
   237,576 : 516,978.50 = 516,978.50 : x
2. Step 2: Convert to fraction form
   237,576/516,978.50 = 516,978.50/x
3. Step 3: Cross multiply
   237,576x = 516,978.50 × 516,978.50
4. Step 4: Simplify right side
   237,576x = 267,266,769,462.25
5. Step 5: Solve for x
   x = 267,266,769,462.25/237,576
6. Step 6: Final answer
   x = 1,124,973.77