Finding the Third Proportional to 84,900 and 114,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   84,900 : 114,892.50 = 114,892.50 : x
2. Step 2: Convert to fraction form
   84,900/114,892.50 = 114,892.50/x
3. Step 3: Cross multiply
   84,900x = 114,892.50 × 114,892.50
4. Step 4: Simplify right side
   84,900x = 13,200,286,556.25
5. Step 5: Solve for x
   x = 13,200,286,556.25/84,900
6. Step 6: Final answer
   x = 155,480.41