Finding the Third Proportional to 648,285,799.50 and 1,419,521,823

Step by Step Solution

1. Step 1: Write the proportion equation
   648,285,799.50 : 1,419,521,823 = 1,419,521,823 : x
2. Step 2: Convert to fraction form
   648,285,799.50/1,419,521,823 = 1,419,521,823/x
3. Step 3: Cross multiply
   648,285,799.50x = 1,419,521,823 × 1,419,521,823
4. Step 4: Simplify right side
   648,285,799.50x = 2,015,042,205,973,243,392
5. Step 5: Solve for x
   x = 2,015,042,205,973,243,392/648,285,799.50
6. Step 6: Final answer
   x = 3,108,262,139.21