Finding the Third Proportional to 281,364 and 614,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   281,364 : 614,389.50 = 614,389.50 : x
2. Step 2: Convert to fraction form
   281,364/614,389.50 = 614,389.50/x
3. Step 3: Cross multiply
   281,364x = 614,389.50 × 614,389.50
4. Step 4: Simplify right side
   281,364x = 377,474,457,710.25
5. Step 5: Solve for x
   x = 377,474,457,710.25/281,364
6. Step 6: Final answer
   x = 1,341,587.62