Finding the Third Proportional to 368,347.50 and 790,515

Step by Step Solution

1. Step 1: Write the proportion equation
   368,347.50 : 790,515 = 790,515 : x
2. Step 2: Convert to fraction form
   368,347.50/790,515 = 790,515/x
3. Step 3: Cross multiply
   368,347.50x = 790,515 × 790,515
4. Step 4: Simplify right side
   368,347.50x = 624,913,965,225
5. Step 5: Solve for x
   x = 624,913,965,225/368,347.50
6. Step 6: Final answer
   x = 1,696,533.75