Finding the Third Proportional to 628,391,857.50 and 1,333,381,872

Step by Step Solution

1. Step 1: Write the proportion equation
   628,391,857.50 : 1,333,381,872 = 1,333,381,872 : x
2. Step 2: Convert to fraction form
   628,391,857.50/1,333,381,872 = 1,333,381,872/x
3. Step 3: Cross multiply
   628,391,857.50x = 1,333,381,872 × 1,333,381,872
4. Step 4: Simplify right side
   628,391,857.50x = 1,777,907,216,578,224,384
5. Step 5: Solve for x
   x = 1,777,907,216,578,224,384/628,391,857.50
6. Step 6: Final answer
   x = 2,829,297,030.76