Finding the Third Proportional to 57,839,455,872 and 89,376,708,096

Step by Step Solution

1. Step 1: Write the proportion equation
   57,839,455,872 : 89,376,708,096 = 89,376,708,096 : x
2. Step 2: Convert to fraction form
   57,839,455,872/89,376,708,096 = 89,376,708,096/x
3. Step 3: Cross multiply
   57,839,455,872x = 89,376,708,096 × 89,376,708,096
4. Step 4: Simplify right side
   57,839,455,872x = 7,988,195,950,077,591,683,072
5. Step 5: Solve for x
   x = 7,988,195,950,077,591,683,072/57,839,455,872
6. Step 6: Final answer
   x = 138,109,804,624.64