Finding the Third Proportional to 123,922,386 and 269,337,636

Step by Step Solution

1. Step 1: Write the proportion equation
   123,922,386 : 269,337,636 = 269,337,636 : x
2. Step 2: Convert to fraction form
   123,922,386/269,337,636 = 269,337,636/x
3. Step 3: Cross multiply
   123,922,386x = 269,337,636 × 269,337,636
4. Step 4: Simplify right side
   123,922,386x = 72,542,762,166,068,496
5. Step 5: Solve for x
   x = 72,542,762,166,068,496/123,922,386
6. Step 6: Final answer
   x = 585,388,681.64