Finding the Third Proportional to 207,686,727 and 443,171,250

Step by Step Solution

1. Step 1: Write the proportion equation
   207,686,727 : 443,171,250 = 443,171,250 : x
2. Step 2: Convert to fraction form
   207,686,727/443,171,250 = 443,171,250/x
3. Step 3: Cross multiply
   207,686,727x = 443,171,250 × 443,171,250
4. Step 4: Simplify right side
   207,686,727x = 196,400,756,826,562,496
5. Step 5: Solve for x
   x = 196,400,756,826,562,496/207,686,727
6. Step 6: Final answer
   x = 945,658,683.46