Finding the Third Proportional to 8,388,397,194.50 and 12,570,325,261.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,388,397,194.50 : 12,570,325,261.50 = 12,570,325,261.50 : x
2. Step 2: Convert to fraction form
   8,388,397,194.50/12,570,325,261.50 = 12,570,325,261.50/x
3. Step 3: Cross multiply
   8,388,397,194.50x = 12,570,325,261.50 × 12,570,325,261.50
4. Step 4: Simplify right side
   8,388,397,194.50x = 158,013,077,179,905,048,576
5. Step 5: Solve for x
   x = 158,013,077,179,905,048,576/8,388,397,194.50
6. Step 6: Final answer
   x = 18,837,100,046.18