Finding the Third Proportional to 598,609.13 and 897,886.69

Step by Step Solution

1. Step 1: Write the proportion equation
   598,609.13 : 897,886.69 = 897,886.69 : x
2. Step 2: Convert to fraction form
   598,609.13/897,886.69 = 897,886.69/x
3. Step 3: Cross multiply
   598,609.13x = 897,886.69 × 897,886.69
4. Step 4: Simplify right side
   598,609.13x = 806,200,503,589.72
5. Step 5: Solve for x
   x = 806,200,503,589.72/598,609.13
6. Step 6: Final answer
   x = 1,346,789.53