Finding the Third Proportional to 115,557 and 250,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   115,557 : 250,066.50 = 250,066.50 : x
2. Step 2: Convert to fraction form
   115,557/250,066.50 = 250,066.50/x
3. Step 3: Cross multiply
   115,557x = 250,066.50 × 250,066.50
4. Step 4: Simplify right side
   115,557x = 62,533,254,422.25
5. Step 5: Solve for x
   x = 62,533,254,422.25/115,557
6. Step 6: Final answer
   x = 541,146.40