Finding the Third Proportional to 207,686,706 and 443,171,208

Step by Step Solution

1. Step 1: Write the proportion equation
   207,686,706 : 443,171,208 = 443,171,208 : x
2. Step 2: Convert to fraction form
   207,686,706/443,171,208 = 443,171,208/x
3. Step 3: Cross multiply
   207,686,706x = 443,171,208 × 443,171,208
4. Step 4: Simplify right side
   207,686,706x = 196,400,719,600,179,264
5. Step 5: Solve for x
   x = 196,400,719,600,179,264/207,686,706
6. Step 6: Final answer
   x = 945,658,599.83