Finding the Third Proportional to 904,263 and 1,398,899.50

Step by Step Solution

1. Step 1: Write the proportion equation
   904,263 : 1,398,899.50 = 1,398,899.50 : x
2. Step 2: Convert to fraction form
   904,263/1,398,899.50 = 1,398,899.50/x
3. Step 3: Cross multiply
   904,263x = 1,398,899.50 × 1,398,899.50
4. Step 4: Simplify right side
   904,263x = 1,956,919,811,100.25
5. Step 5: Solve for x
   x = 1,956,919,811,100.25/904,263
6. Step 6: Final answer
   x = 2,164,104.70