Finding the Third Proportional to 113,422.50 and 248,553

Step by Step Solution

1. Step 1: Write the proportion equation
   113,422.50 : 248,553 = 248,553 : x
2. Step 2: Convert to fraction form
   113,422.50/248,553 = 248,553/x
3. Step 3: Cross multiply
   113,422.50x = 248,553 × 248,553
4. Step 4: Simplify right side
   113,422.50x = 61,778,593,809
5. Step 5: Solve for x
   x = 61,778,593,809/113,422.50
6. Step 6: Final answer
   x = 544,676.71