Finding the Third Proportional to 393,117 and 936,118.50

Step by Step Solution

1. Step 1: Write the proportion equation
   393,117 : 936,118.50 = 936,118.50 : x
2. Step 2: Convert to fraction form
   393,117/936,118.50 = 936,118.50/x
3. Step 3: Cross multiply
   393,117x = 936,118.50 × 936,118.50
4. Step 4: Simplify right side
   393,117x = 876,317,846,042.25
5. Step 5: Solve for x
   x = 876,317,846,042.25/393,117
6. Step 6: Final answer
   x = 2,229,152.76