Finding the Third Proportional to 245,313 and 369,184.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,313 : 369,184.50 = 369,184.50 : x
2. Step 2: Convert to fraction form
   245,313/369,184.50 = 369,184.50/x
3. Step 3: Cross multiply
   245,313x = 369,184.50 × 369,184.50
4. Step 4: Simplify right side
   245,313x = 136,297,195,040.25
5. Step 5: Solve for x
   x = 136,297,195,040.25/245,313
6. Step 6: Final answer
   x = 555,605.27