Finding the Third Proportional to 921,840 and 1,382,784

Step by Step Solution

1. Step 1: Write the proportion equation
   921,840 : 1,382,784 = 1,382,784 : x
2. Step 2: Convert to fraction form
   921,840/1,382,784 = 1,382,784/x
3. Step 3: Cross multiply
   921,840x = 1,382,784 × 1,382,784
4. Step 4: Simplify right side
   921,840x = 1,912,091,590,656
5. Step 5: Solve for x
   x = 1,912,091,590,656/921,840
6. Step 6: Final answer
   x = 2,074,212.00