Finding the Third Proportional to 64,676,086,789 and 140,740,831,250

Step by Step Solution

1. Step 1: Write the proportion equation
   64,676,086,789 : 140,740,831,250 = 140,740,831,250 : x
2. Step 2: Convert to fraction form
   64,676,086,789/140,740,831,250 = 140,740,831,250/x
3. Step 3: Cross multiply
   64,676,086,789x = 140,740,831,250 × 140,740,831,250
4. Step 4: Simplify right side
   64,676,086,789x = 19,807,981,580,940,975,538,176
5. Step 5: Solve for x
   x = 19,807,981,580,940,975,538,176/64,676,086,789
6. Step 6: Final answer
   x = 306,264,379,376.61