Finding the Third Proportional to 340,789,248 and 746,448,912

Step by Step Solution

1. Step 1: Write the proportion equation
   340,789,248 : 746,448,912 = 746,448,912 : x
2. Step 2: Convert to fraction form
   340,789,248/746,448,912 = 746,448,912/x
3. Step 3: Cross multiply
   340,789,248x = 746,448,912 × 746,448,912
4. Step 4: Simplify right side
   340,789,248x = 557,185,978,225,983,744
5. Step 5: Solve for x
   x = 557,185,978,225,983,744/340,789,248
6. Step 6: Final answer
   x = 1,634,986,964.81