Finding the Third Proportional to 56,185,392,632 and 81,178,189,809

Step by Step Solution

1. Step 1: Write the proportion equation
   56,185,392,632 : 81,178,189,809 = 81,178,189,809 : x
2. Step 2: Convert to fraction form
   56,185,392,632/81,178,189,809 = 81,178,189,809/x
3. Step 3: Cross multiply
   56,185,392,632x = 81,178,189,809 × 81,178,189,809
4. Step 4: Simplify right side
   56,185,392,632x = 6,589,898,500,666,031,079,424
5. Step 5: Solve for x
   x = 6,589,898,500,666,031,079,424/56,185,392,632
6. Step 6: Final answer
   x = 117,288,465,773.09