Finding the Third Proportional to 245,105,155.50 and 528,944,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,105,155.50 : 528,944,389.50 = 528,944,389.50 : x
2. Step 2: Convert to fraction form
   245,105,155.50/528,944,389.50 = 528,944,389.50/x
3. Step 3: Cross multiply
   245,105,155.50x = 528,944,389.50 × 528,944,389.50
4. Step 4: Simplify right side
   245,105,155.50x = 279,782,167,183,527,712
5. Step 5: Solve for x
   x = 279,782,167,183,527,712/245,105,155.50
6. Step 6: Final answer
   x = 1,141,478,099.93