Finding the Third Proportional to 1,817,422 and 2,851,238

Step by Step Solution

1. Step 1: Write the proportion equation
   1,817,422 : 2,851,238 = 2,851,238 : x
2. Step 2: Convert to fraction form
   1,817,422/2,851,238 = 2,851,238/x
3. Step 3: Cross multiply
   1,817,422x = 2,851,238 × 2,851,238
4. Step 4: Simplify right side
   1,817,422x = 8,129,558,132,644
5. Step 5: Solve for x
   x = 8,129,558,132,644/1,817,422
6. Step 6: Final answer
   x = 4,473,126.29