Finding the Third Proportional to 64,826.50 and 134,153

Step by Step Solution

1. Step 1: Write the proportion equation
   64,826.50 : 134,153 = 134,153 : x
2. Step 2: Convert to fraction form
   64,826.50/134,153 = 134,153/x
3. Step 3: Cross multiply
   64,826.50x = 134,153 × 134,153
4. Step 4: Simplify right side
   64,826.50x = 17,997,027,409
5. Step 5: Solve for x
   x = 17,997,027,409/64,826.50
6. Step 6: Final answer
   x = 277,618.37