Finding the Third Proportional to 315,693 and 482,935.50

Step by Step Solution

1. Step 1: Write the proportion equation
   315,693 : 482,935.50 = 482,935.50 : x
2. Step 2: Convert to fraction form
   315,693/482,935.50 = 482,935.50/x
3. Step 3: Cross multiply
   315,693x = 482,935.50 × 482,935.50
4. Step 4: Simplify right side
   315,693x = 233,226,697,160.25
5. Step 5: Solve for x
   x = 233,226,697,160.25/315,693
6. Step 6: Final answer
   x = 738,776.90