Finding the Third Proportional to 698,212 and 1,503,308

Step by Step Solution

1. Step 1: Write the proportion equation
   698,212 : 1,503,308 = 1,503,308 : x
2. Step 2: Convert to fraction form
   698,212/1,503,308 = 1,503,308/x
3. Step 3: Cross multiply
   698,212x = 1,503,308 × 1,503,308
4. Step 4: Simplify right side
   698,212x = 2,259,934,942,864
5. Step 5: Solve for x
   x = 2,259,934,942,864/698,212
6. Step 6: Final answer
   x = 3,236,746.06