Finding the Third Proportional to 113,157 and 235,612.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,157 : 235,612.50 = 235,612.50 : x
2. Step 2: Convert to fraction form
   113,157/235,612.50 = 235,612.50/x
3. Step 3: Cross multiply
   113,157x = 235,612.50 × 235,612.50
4. Step 4: Simplify right side
   113,157x = 55,513,250,156.25
5. Step 5: Solve for x
   x = 55,513,250,156.25/113,157
6. Step 6: Final answer
   x = 490,586.09