Finding the Third Proportional to 72,018,261 and 157,697,010

Step by Step Solution

1. Step 1: Write the proportion equation
   72,018,261 : 157,697,010 = 157,697,010 : x
2. Step 2: Convert to fraction form
   72,018,261/157,697,010 = 157,697,010/x
3. Step 3: Cross multiply
   72,018,261x = 157,697,010 × 157,697,010
4. Step 4: Simplify right side
   72,018,261x = 24,868,346,962,940,100
5. Step 5: Solve for x
   x = 24,868,346,962,940,100/72,018,261
6. Step 6: Final answer
   x = 345,306,129.55