Finding the Third Proportional to 760,698 and 1,648,242

Step by Step Solution

1. Step 1: Write the proportion equation
   760,698 : 1,648,242 = 1,648,242 : x
2. Step 2: Convert to fraction form
   760,698/1,648,242 = 1,648,242/x
3. Step 3: Cross multiply
   760,698x = 1,648,242 × 1,648,242
4. Step 4: Simplify right side
   760,698x = 2,716,701,690,564
5. Step 5: Solve for x
   x = 2,716,701,690,564/760,698
6. Step 6: Final answer
   x = 3,571,327.51