Finding the Third Proportional to 113,109 and 248,572.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,109 : 248,572.50 = 248,572.50 : x
2. Step 2: Convert to fraction form
   113,109/248,572.50 = 248,572.50/x
3. Step 3: Cross multiply
   113,109x = 248,572.50 × 248,572.50
4. Step 4: Simplify right side
   113,109x = 61,788,287,756.25
5. Step 5: Solve for x
   x = 61,788,287,756.25/113,109
6. Step 6: Final answer
   x = 546,272.07