Finding the Third Proportional to 679,099,777 and 1,455,010,442

Step by Step Solution

1. Step 1: Write the proportion equation
   679,099,777 : 1,455,010,442 = 1,455,010,442 : x
2. Step 2: Convert to fraction form
   679,099,777/1,455,010,442 = 1,455,010,442/x
3. Step 3: Cross multiply
   679,099,777x = 1,455,010,442 × 1,455,010,442
4. Step 4: Simplify right side
   679,099,777x = 2,117,055,386,329,035,264
5. Step 5: Solve for x
   x = 2,117,055,386,329,035,264/679,099,777
6. Step 6: Final answer
   x = 3,117,443,795.49