Finding the Third Proportional to 146,603,774 and 289,507,036

Step by Step Solution

1. Step 1: Write the proportion equation
   146,603,774 : 289,507,036 = 289,507,036 : x
2. Step 2: Convert to fraction form
   146,603,774/289,507,036 = 289,507,036/x
3. Step 3: Cross multiply
   146,603,774x = 289,507,036 × 289,507,036
4. Step 4: Simplify right side
   146,603,774x = 83,814,323,893,505,296
5. Step 5: Solve for x
   x = 83,814,323,893,505,296/146,603,774
6. Step 6: Final answer
   x = 571,706,454.80