Finding the Third Proportional to 906,288,565.50 and 1,399,468,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   906,288,565.50 : 1,399,468,099.50 = 1,399,468,099.50 : x
2. Step 2: Convert to fraction form
   906,288,565.50/1,399,468,099.50 = 1,399,468,099.50/x
3. Step 3: Cross multiply
   906,288,565.50x = 1,399,468,099.50 × 1,399,468,099.50
4. Step 4: Simplify right side
   906,288,565.50x = 1,958,510,961,518,141,952
5. Step 5: Solve for x
   x = 1,958,510,961,518,141,952/906,288,565.50
6. Step 6: Final answer
   x = 2,161,023,581.31