Finding the Third Proportional to 8,388,397,193.50 and 12,570,325,260

Step by Step Solution

1. Step 1: Write the proportion equation
   8,388,397,193.50 : 12,570,325,260 = 12,570,325,260 : x
2. Step 2: Convert to fraction form
   8,388,397,193.50/12,570,325,260 = 12,570,325,260/x
3. Step 3: Cross multiply
   8,388,397,193.50x = 12,570,325,260 × 12,570,325,260
4. Step 4: Simplify right side
   8,388,397,193.50x = 158,013,077,142,194,061,312
5. Step 5: Solve for x
   x = 158,013,077,142,194,061,312/8,388,397,193.50
6. Step 6: Final answer
   x = 18,837,100,043.93