Finding the Third Proportional to 1,689,362 and 3,642,784

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,362 : 3,642,784 = 3,642,784 : x
2. Step 2: Convert to fraction form
   1,689,362/3,642,784 = 3,642,784/x
3. Step 3: Cross multiply
   1,689,362x = 3,642,784 × 3,642,784
4. Step 4: Simplify right side
   1,689,362x = 13,269,875,270,656
5. Step 5: Solve for x
   x = 13,269,875,270,656/1,689,362
6. Step 6: Final answer
   x = 7,854,962.57