Finding the Third Proportional to 578,292,007.50 and 880,997,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   578,292,007.50 : 880,997,089.50 = 880,997,089.50 : x
2. Step 2: Convert to fraction form
   578,292,007.50/880,997,089.50 = 880,997,089.50/x
3. Step 3: Cross multiply
   578,292,007.50x = 880,997,089.50 × 880,997,089.50
4. Step 4: Simplify right side
   578,292,007.50x = 776,155,871,707,470,976
5. Step 5: Solve for x
   x = 776,155,871,707,470,976/578,292,007.50
6. Step 6: Final answer
   x = 1,342,152,168.18