Finding the Third Proportional to 191,660,814 and 416,902,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,660,814 : 416,902,570.50 = 416,902,570.50 : x
2. Step 2: Convert to fraction form
   191,660,814/416,902,570.50 = 416,902,570.50/x
3. Step 3: Cross multiply
   191,660,814x = 416,902,570.50 × 416,902,570.50
4. Step 4: Simplify right side
   191,660,814x = 173,807,753,289,507,456
5. Step 5: Solve for x
   x = 173,807,753,289,507,456/191,660,814
6. Step 6: Final answer
   x = 906,850,751.92