Finding the Third Proportional to 598,639 and 897,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   598,639 : 897,081.50 = 897,081.50 : x
2. Step 2: Convert to fraction form
   598,639/897,081.50 = 897,081.50/x
3. Step 3: Cross multiply
   598,639x = 897,081.50 × 897,081.50
4. Step 4: Simplify right side
   598,639x = 804,755,217,642.25
5. Step 5: Solve for x
   x = 804,755,217,642.25/598,639
6. Step 6: Final answer
   x = 1,344,308.03