Finding the Third Proportional to 282,438 and 620,848.50

Step by Step Solution

1. Step 1: Write the proportion equation
   282,438 : 620,848.50 = 620,848.50 : x
2. Step 2: Convert to fraction form
   282,438/620,848.50 = 620,848.50/x
3. Step 3: Cross multiply
   282,438x = 620,848.50 × 620,848.50
4. Step 4: Simplify right side
   282,438x = 385,452,859,952.25
5. Step 5: Solve for x
   x = 385,452,859,952.25/282,438
6. Step 6: Final answer
   x = 1,364,734.42