Finding the Third Proportional to 282,803 and 609,885.50

Step by Step Solution

1. Step 1: Write the proportion equation
   282,803 : 609,885.50 = 609,885.50 : x
2. Step 2: Convert to fraction form
   282,803/609,885.50 = 609,885.50/x
3. Step 3: Cross multiply
   282,803x = 609,885.50 × 609,885.50
4. Step 4: Simplify right side
   282,803x = 371,960,323,110.25
5. Step 5: Solve for x
   x = 371,960,323,110.25/282,803
6. Step 6: Final answer
   x = 1,315,263.00