Finding the Third Proportional to 906,289,879.50 and 1,399,470,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   906,289,879.50 : 1,399,470,061.50 = 1,399,470,061.50 : x
2. Step 2: Convert to fraction form
   906,289,879.50/1,399,470,061.50 = 1,399,470,061.50/x
3. Step 3: Cross multiply
   906,289,879.50x = 1,399,470,061.50 × 1,399,470,061.50
4. Step 4: Simplify right side
   906,289,879.50x = 1,958,516,453,034,813,696
5. Step 5: Solve for x
   x = 1,958,516,453,034,813,696/906,289,879.50
6. Step 6: Final answer
   x = 2,161,026,507.45