Finding the Third Proportional to 628,391,872.50 and 1,333,381,902

Step by Step Solution

1. Step 1: Write the proportion equation
   628,391,872.50 : 1,333,381,902 = 1,333,381,902 : x
2. Step 2: Convert to fraction form
   628,391,872.50/1,333,381,902 = 1,333,381,902/x
3. Step 3: Cross multiply
   628,391,872.50x = 1,333,381,902 × 1,333,381,902
4. Step 4: Simplify right side
   628,391,872.50x = 1,777,907,296,581,137,664
5. Step 5: Solve for x
   x = 1,777,907,296,581,137,664/628,391,872.50
6. Step 6: Final answer
   x = 2,829,297,090.54