Finding the Third Proportional to 77,161,390,022 and 166,145,925,118

Step by Step Solution

1. Step 1: Write the proportion equation
   77,161,390,022 : 166,145,925,118 = 166,145,925,118 : x
2. Step 2: Convert to fraction form
   77,161,390,022/166,145,925,118 = 166,145,925,118/x
3. Step 3: Cross multiply
   77,161,390,022x = 166,145,925,118 × 166,145,925,118
4. Step 4: Simplify right side
   77,161,390,022x = 27,604,468,433,316,063,739,904
5. Step 5: Solve for x
   x = 27,604,468,433,316,063,739,904/77,161,390,022
6. Step 6: Final answer
   x = 357,749,755,745.01