Finding the Third Proportional to 42,770,239,486 and 89,060,290,057

Step by Step Solution

1. Step 1: Write the proportion equation
   42,770,239,486 : 89,060,290,057 = 89,060,290,057 : x
2. Step 2: Convert to fraction form
   42,770,239,486/89,060,290,057 = 89,060,290,057/x
3. Step 3: Cross multiply
   42,770,239,486x = 89,060,290,057 × 89,060,290,057
4. Step 4: Simplify right side
   42,770,239,486x = 7,931,735,265,036,972,589,056
5. Step 5: Solve for x
   x = 7,931,735,265,036,972,589,056/42,770,239,486
6. Step 6: Final answer
   x = 185,449,867,953.94