Finding the Third Proportional to 384,736.50 and 660,141

Step by Step Solution

1. Step 1: Write the proportion equation
   384,736.50 : 660,141 = 660,141 : x
2. Step 2: Convert to fraction form
   384,736.50/660,141 = 660,141/x
3. Step 3: Cross multiply
   384,736.50x = 660,141 × 660,141
4. Step 4: Simplify right side
   384,736.50x = 435,786,139,881
5. Step 5: Solve for x
   x = 435,786,139,881/384,736.50
6. Step 6: Final answer
   x = 1,132,687.28