Finding the Third Proportional to 604,809 and 995,881.50

Step by Step Solution

1. Step 1: Write the proportion equation
   604,809 : 995,881.50 = 995,881.50 : x
2. Step 2: Convert to fraction form
   604,809/995,881.50 = 995,881.50/x
3. Step 3: Cross multiply
   604,809x = 995,881.50 × 995,881.50
4. Step 4: Simplify right side
   604,809x = 991,779,962,042.25
5. Step 5: Solve for x
   x = 991,779,962,042.25/604,809
6. Step 6: Final answer
   x = 1,639,823.42