Finding the Third Proportional to 3,198,459 and 7,550,475

Step by Step Solution

1. Step 1: Write the proportion equation
   3,198,459 : 7,550,475 = 7,550,475 : x
2. Step 2: Convert to fraction form
   3,198,459/7,550,475 = 7,550,475/x
3. Step 3: Cross multiply
   3,198,459x = 7,550,475 × 7,550,475
4. Step 4: Simplify right side
   3,198,459x = 57,009,672,725,625
5. Step 5: Solve for x
   x = 57,009,672,725,625/3,198,459
6. Step 6: Final answer
   x = 17,824,106.15