Finding the Third Proportional to 807,907,756.50 and 1,766,980,665

Step by Step Solution

1. Step 1: Write the proportion equation
   807,907,756.50 : 1,766,980,665 = 1,766,980,665 : x
2. Step 2: Convert to fraction form
   807,907,756.50/1,766,980,665 = 1,766,980,665/x
3. Step 3: Cross multiply
   807,907,756.50x = 1,766,980,665 × 1,766,980,665
4. Step 4: Simplify right side
   807,907,756.50x = 3,122,220,670,483,842,048
5. Step 5: Solve for x
   x = 3,122,220,670,483,842,048/807,907,756.50
6. Step 6: Final answer
   x = 3,864,575,683.75