Finding the Third Proportional to 698,213 and 1,067,609

Step by Step Solution

1. Step 1: Write the proportion equation
   698,213 : 1,067,609 = 1,067,609 : x
2. Step 2: Convert to fraction form
   698,213/1,067,609 = 1,067,609/x
3. Step 3: Cross multiply
   698,213x = 1,067,609 × 1,067,609
4. Step 4: Simplify right side
   698,213x = 1,139,788,976,881
5. Step 5: Solve for x
   x = 1,139,788,976,881/698,213
6. Step 6: Final answer
   x = 1,632,437.35