Finding the Third Proportional to 8,609,558,292 and 12,311,683,018

Step by Step Solution

1. Step 1: Write the proportion equation
   8,609,558,292 : 12,311,683,018 = 12,311,683,018 : x
2. Step 2: Convert to fraction form
   8,609,558,292/12,311,683,018 = 12,311,683,018/x
3. Step 3: Cross multiply
   8,609,558,292x = 12,311,683,018 × 12,311,683,018
4. Step 4: Simplify right side
   8,609,558,292x = 151,577,538,735,709,585,408
5. Step 5: Solve for x
   x = 151,577,538,735,709,585,408/8,609,558,292
6. Step 6: Final answer
   x = 17,605,727,680.19