Finding the Third Proportional to 77,161,390,023 and 166,145,925,120

Step by Step Solution

1. Step 1: Write the proportion equation
   77,161,390,023 : 166,145,925,120 = 166,145,925,120 : x
2. Step 2: Convert to fraction form
   77,161,390,023/166,145,925,120 = 166,145,925,120/x
3. Step 3: Cross multiply
   77,161,390,023x = 166,145,925,120 × 166,145,925,120
4. Step 4: Simplify right side
   77,161,390,023x = 27,604,468,433,980,647,014,400
5. Step 5: Solve for x
   x = 27,604,468,433,980,647,014,400/77,161,390,023
6. Step 6: Final answer
   x = 357,749,755,748.99