Finding the Third Proportional to 116,577 and 253,912.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,577 : 253,912.50 = 253,912.50 : x
2. Step 2: Convert to fraction form
   116,577/253,912.50 = 253,912.50/x
3. Step 3: Cross multiply
   116,577x = 253,912.50 × 253,912.50
4. Step 4: Simplify right side
   116,577x = 64,471,557,656.25
5. Step 5: Solve for x
   x = 64,471,557,656.25/116,577
6. Step 6: Final answer
   x = 553,038.40