Finding the Third Proportional to 103,659,364 and 239,977,978

Step by Step Solution

1. Step 1: Write the proportion equation
   103,659,364 : 239,977,978 = 239,977,978 : x
2. Step 2: Convert to fraction form
   103,659,364/239,977,978 = 239,977,978/x
3. Step 3: Cross multiply
   103,659,364x = 239,977,978 × 239,977,978
4. Step 4: Simplify right side
   103,659,364x = 57,589,429,924,968,480
5. Step 5: Solve for x
   x = 57,589,429,924,968,480/103,659,364
6. Step 6: Final answer
   x = 555,564,183.52