Finding the Third Proportional to 892,620 and 1,857,438

Step by Step Solution

1. Step 1: Write the proportion equation
   892,620 : 1,857,438 = 1,857,438 : x
2. Step 2: Convert to fraction form
   892,620/1,857,438 = 1,857,438/x
3. Step 3: Cross multiply
   892,620x = 1,857,438 × 1,857,438
4. Step 4: Simplify right side
   892,620x = 3,450,075,923,844
5. Step 5: Solve for x
   x = 3,450,075,923,844/892,620
6. Step 6: Final answer
   x = 3,865,111.61