Finding the Third Proportional to 113,308 and 166,663.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,308 : 166,663.50 = 166,663.50 : x
2. Step 2: Convert to fraction form
   113,308/166,663.50 = 166,663.50/x
3. Step 3: Cross multiply
   113,308x = 166,663.50 × 166,663.50
4. Step 4: Simplify right side
   113,308x = 27,776,722,232.25
5. Step 5: Solve for x
   x = 27,776,722,232.25/113,308
6. Step 6: Final answer
   x = 245,143.52