Finding the Third Proportional to 1,685,411 and 3,714,391

Step by Step Solution

1. Step 1: Write the proportion equation
   1,685,411 : 3,714,391 = 3,714,391 : x
2. Step 2: Convert to fraction form
   1,685,411/3,714,391 = 3,714,391/x
3. Step 3: Cross multiply
   1,685,411x = 3,714,391 × 3,714,391
4. Step 4: Simplify right side
   1,685,411x = 13,796,700,500,881
5. Step 5: Solve for x
   x = 13,796,700,500,881/1,685,411
6. Step 6: Final answer
   x = 8,185,956.13