Finding the Third Proportional to 291,557,003,499 and 454,381,507,966.50

Step by Step Solution

1. Step 1: Write the proportion equation
   291,557,003,499 : 454,381,507,966.50 = 454,381,507,966.50 : x
2. Step 2: Convert to fraction form
   291,557,003,499/454,381,507,966.50 = 454,381,507,966.50/x
3. Step 3: Cross multiply
   291,557,003,499x = 454,381,507,966.50 × 454,381,507,966.50
4. Step 4: Simplify right side
   291,557,003,499x = 206,462,554,781,910,493,560,832
5. Step 5: Solve for x
   x = 206,462,554,781,910,493,560,832/291,557,003,499
6. Step 6: Final answer
   x = 708,137,867,738.17