Finding the Third Proportional to 442,122 and 900,502.13

Step by Step Solution

1. Step 1: Write the proportion equation
   442,122 : 900,502.13 = 900,502.13 : x
2. Step 2: Convert to fraction form
   442,122/900,502.13 = 900,502.13/x
3. Step 3: Cross multiply
   442,122x = 900,502.13 × 900,502.13
4. Step 4: Simplify right side
   442,122x = 810,904,077,129.52
5. Step 5: Solve for x
   x = 810,904,077,129.52/442,122
6. Step 6: Final answer
   x = 1,834,118.36