Finding the Third Proportional to 921,558 and 1,916,666

Step by Step Solution

1. Step 1: Write the proportion equation
   921,558 : 1,916,666 = 1,916,666 : x
2. Step 2: Convert to fraction form
   921,558/1,916,666 = 1,916,666/x
3. Step 3: Cross multiply
   921,558x = 1,916,666 × 1,916,666
4. Step 4: Simplify right side
   921,558x = 3,673,608,555,556
5. Step 5: Solve for x
   x = 3,673,608,555,556/921,558
6. Step 6: Final answer
   x = 3,986,302.06