Finding the Third Proportional to 25,720,370 and 54,978,008

Step by Step Solution

1. Step 1: Write the proportion equation
   25,720,370 : 54,978,008 = 54,978,008 : x
2. Step 2: Convert to fraction form
   25,720,370/54,978,008 = 54,978,008/x
3. Step 3: Cross multiply
   25,720,370x = 54,978,008 × 54,978,008
4. Step 4: Simplify right side
   25,720,370x = 3,022,581,363,648,064
5. Step 5: Solve for x
   x = 3,022,581,363,648,064/25,720,370
6. Step 6: Final answer
   x = 117,517,024.97