Finding the Third Proportional to 72,018,266 and 157,697,018

Step by Step Solution

1. Step 1: Write the proportion equation
   72,018,266 : 157,697,018 = 157,697,018 : x
2. Step 2: Convert to fraction form
   72,018,266/157,697,018 = 157,697,018/x
3. Step 3: Cross multiply
   72,018,266x = 157,697,018 × 157,697,018
4. Step 4: Simplify right side
   72,018,266x = 24,868,349,486,092,324
5. Step 5: Solve for x
   x = 24,868,349,486,092,324/72,018,266
6. Step 6: Final answer
   x = 345,306,140.61