Finding the Third Proportional to 816,500.25 and 1,636,281

Step by Step Solution

1. Step 1: Write the proportion equation
   816,500.25 : 1,636,281 = 1,636,281 : x
2. Step 2: Convert to fraction form
   816,500.25/1,636,281 = 1,636,281/x
3. Step 3: Cross multiply
   816,500.25x = 1,636,281 × 1,636,281
4. Step 4: Simplify right side
   816,500.25x = 2,677,415,510,961
5. Step 5: Solve for x
   x = 2,677,415,510,961/816,500.25
6. Step 6: Final answer
   x = 3,279,136.18