Finding the Third Proportional to 606,665,978 and 1,307,048,564

Step by Step Solution

1. Step 1: Write the proportion equation
   606,665,978 : 1,307,048,564 = 1,307,048,564 : x
2. Step 2: Convert to fraction form
   606,665,978/1,307,048,564 = 1,307,048,564/x
3. Step 3: Cross multiply
   606,665,978x = 1,307,048,564 × 1,307,048,564
4. Step 4: Simplify right side
   606,665,978x = 1,708,375,948,654,462,208
5. Step 5: Solve for x
   x = 1,708,375,948,654,462,208/606,665,978
6. Step 6: Final answer
   x = 2,816,007,507.60