Finding the Third Proportional to 698,211 and 1,067,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   698,211 : 1,067,606.50 = 1,067,606.50 : x
2. Step 2: Convert to fraction form
   698,211/1,067,606.50 = 1,067,606.50/x
3. Step 3: Cross multiply
   698,211x = 1,067,606.50 × 1,067,606.50
4. Step 4: Simplify right side
   698,211x = 1,139,783,638,842.25
5. Step 5: Solve for x
   x = 1,139,783,638,842.25/698,211
6. Step 6: Final answer
   x = 1,632,434.38