Finding the Third Proportional to 1,209,850 and 1,857,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,209,850 : 1,857,072 = 1,857,072 : x
2. Step 2: Convert to fraction form
   1,209,850/1,857,072 = 1,857,072/x
3. Step 3: Cross multiply
   1,209,850x = 1,857,072 × 1,857,072
4. Step 4: Simplify right side
   1,209,850x = 3,448,716,413,184
5. Step 5: Solve for x
   x = 3,448,716,413,184/1,209,850
6. Step 6: Final answer
   x = 2,850,532.23