Finding the Third Proportional to 598,674 and 904,231.50

Step by Step Solution

1. Step 1: Write the proportion equation
   598,674 : 904,231.50 = 904,231.50 : x
2. Step 2: Convert to fraction form
   598,674/904,231.50 = 904,231.50/x
3. Step 3: Cross multiply
   598,674x = 904,231.50 × 904,231.50
4. Step 4: Simplify right side
   598,674x = 817,634,605,592.25
5. Step 5: Solve for x
   x = 817,634,605,592.25/598,674
6. Step 6: Final answer
   x = 1,365,742.63