Finding the Third Proportional to 729,368 and 1,586,404

Step by Step Solution

1. Step 1: Write the proportion equation
   729,368 : 1,586,404 = 1,586,404 : x
2. Step 2: Convert to fraction form
   729,368/1,586,404 = 1,586,404/x
3. Step 3: Cross multiply
   729,368x = 1,586,404 × 1,586,404
4. Step 4: Simplify right side
   729,368x = 2,516,677,651,216
5. Step 5: Solve for x
   x = 2,516,677,651,216/729,368
6. Step 6: Final answer
   x = 3,450,490.91