Finding the Third Proportional to 679,099,780 and 1,455,010,448

Step by Step Solution

1. Step 1: Write the proportion equation
   679,099,780 : 1,455,010,448 = 1,455,010,448 : x
2. Step 2: Convert to fraction form
   679,099,780/1,455,010,448 = 1,455,010,448/x
3. Step 3: Cross multiply
   679,099,780x = 1,455,010,448 × 1,455,010,448
4. Step 4: Simplify right side
   679,099,780x = 2,117,055,403,789,160,704
5. Step 5: Solve for x
   x = 2,117,055,403,789,160,704/679,099,780
6. Step 6: Final answer
   x = 3,117,443,807.43