Finding the Third Proportional to 372,642 and 808,308

Step by Step Solution

1. Step 1: Write the proportion equation
   372,642 : 808,308 = 808,308 : x
2. Step 2: Convert to fraction form
   372,642/808,308 = 808,308/x
3. Step 3: Cross multiply
   372,642x = 808,308 × 808,308
4. Step 4: Simplify right side
   372,642x = 653,361,822,864
5. Step 5: Solve for x
   x = 653,361,822,864/372,642
6. Step 6: Final answer
   x = 1,753,323.09