Finding the Third Proportional to 153,235.50 and 336,696

Step by Step Solution

1. Step 1: Write the proportion equation
   153,235.50 : 336,696 = 336,696 : x
2. Step 2: Convert to fraction form
   153,235.50/336,696 = 336,696/x
3. Step 3: Cross multiply
   153,235.50x = 336,696 × 336,696
4. Step 4: Simplify right side
   153,235.50x = 113,364,196,416
5. Step 5: Solve for x
   x = 113,364,196,416/153,235.50
6. Step 6: Final answer
   x = 739,803.74