Finding the Third Proportional to 598,896 and 1,298,515.50

Step by Step Solution

1. Step 1: Write the proportion equation
   598,896 : 1,298,515.50 = 1,298,515.50 : x
2. Step 2: Convert to fraction form
   598,896/1,298,515.50 = 1,298,515.50/x
3. Step 3: Cross multiply
   598,896x = 1,298,515.50 × 1,298,515.50
4. Step 4: Simplify right side
   598,896x = 1,686,142,503,740.25
5. Step 5: Solve for x
   x = 1,686,142,503,740.25/598,896
6. Step 6: Final answer
   x = 2,815,417.88