Finding the Third Proportional to 8,493,152,154 and 12,739,729,325

Step by Step Solution

1. Step 1: Write the proportion equation
   8,493,152,154 : 12,739,729,325 = 12,739,729,325 : x
2. Step 2: Convert to fraction form
   8,493,152,154/12,739,729,325 = 12,739,729,325/x
3. Step 3: Cross multiply
   8,493,152,154x = 12,739,729,325 × 12,739,729,325
4. Step 4: Simplify right side
   8,493,152,154x = 162,300,703,274,264,952,832
5. Step 5: Solve for x
   x = 162,300,703,274,264,952,832/8,493,152,154
6. Step 6: Final answer
   x = 19,109,595,628.50