Finding the Third Proportional to 1,578,582 and 3,353,940

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,582 : 3,353,940 = 3,353,940 : x
2. Step 2: Convert to fraction form
   1,578,582/3,353,940 = 3,353,940/x
3. Step 3: Cross multiply
   1,578,582x = 3,353,940 × 3,353,940
4. Step 4: Simplify right side
   1,578,582x = 11,248,913,523,600
5. Step 5: Solve for x
   x = 11,248,913,523,600/1,578,582
6. Step 6: Final answer
   x = 7,125,960.85