Finding the Third Proportional to 136,025.50 and 296,144

Step by Step Solution

1. Step 1: Write the proportion equation
   136,025.50 : 296,144 = 296,144 : x
2. Step 2: Convert to fraction form
   136,025.50/296,144 = 296,144/x
3. Step 3: Cross multiply
   136,025.50x = 296,144 × 296,144
4. Step 4: Simplify right side
   136,025.50x = 87,701,268,736
5. Step 5: Solve for x
   x = 87,701,268,736/136,025.50
6. Step 6: Final answer
   x = 644,741.38