Finding the Third Proportional to 12,309,618,627 and 29,029,501,251

Step by Step Solution

1. Step 1: Write the proportion equation
   12,309,618,627 : 29,029,501,251 = 29,029,501,251 : x
2. Step 2: Convert to fraction form
   12,309,618,627/29,029,501,251 = 29,029,501,251/x
3. Step 3: Cross multiply
   12,309,618,627x = 29,029,501,251 × 29,029,501,251
4. Step 4: Simplify right side
   12,309,618,627x = 842,711,942,881,810,579,456
5. Step 5: Solve for x
   x = 842,711,942,881,810,579,456/12,309,618,627
6. Step 6: Final answer
   x = 68,459,630,506.62