Finding the Third Proportional to 153,162.75 and 336,861

Step by Step Solution

1. Step 1: Write the proportion equation
   153,162.75 : 336,861 = 336,861 : x
2. Step 2: Convert to fraction form
   153,162.75/336,861 = 336,861/x
3. Step 3: Cross multiply
   153,162.75x = 336,861 × 336,861
4. Step 4: Simplify right side
   153,162.75x = 113,475,333,321
5. Step 5: Solve for x
   x = 113,475,333,321/153,162.75
6. Step 6: Final answer
   x = 740,880.75