Finding the Third Proportional to 114,759 and 248,575.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,759 : 248,575.50 = 248,575.50 : x
2. Step 2: Convert to fraction form
   114,759/248,575.50 = 248,575.50/x
3. Step 3: Cross multiply
   114,759x = 248,575.50 × 248,575.50
4. Step 4: Simplify right side
   114,759x = 61,789,779,200.25
5. Step 5: Solve for x
   x = 61,789,779,200.25/114,759
6. Step 6: Final answer
   x = 538,430.79