Finding the Third Proportional to 857,340 and 1,810,908

Step by Step Solution

1. Step 1: Write the proportion equation
   857,340 : 1,810,908 = 1,810,908 : x
2. Step 2: Convert to fraction form
   857,340/1,810,908 = 1,810,908/x
3. Step 3: Cross multiply
   857,340x = 1,810,908 × 1,810,908
4. Step 4: Simplify right side
   857,340x = 3,279,387,784,464
5. Step 5: Solve for x
   x = 3,279,387,784,464/857,340
6. Step 6: Final answer
   x = 3,825,072.65