Finding the Third Proportional to 113,286 and 153,298.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,286 : 153,298.50 = 153,298.50 : x
2. Step 2: Convert to fraction form
   113,286/153,298.50 = 153,298.50/x
3. Step 3: Cross multiply
   113,286x = 153,298.50 × 153,298.50
4. Step 4: Simplify right side
   113,286x = 23,500,430,102.25
5. Step 5: Solve for x
   x = 23,500,430,102.25/113,286
6. Step 6: Final answer
   x = 207,443.37