Finding the Third Proportional to 1,660,172 and 3,627,886

Step by Step Solution

1. Step 1: Write the proportion equation
   1,660,172 : 3,627,886 = 3,627,886 : x
2. Step 2: Convert to fraction form
   1,660,172/3,627,886 = 3,627,886/x
3. Step 3: Cross multiply
   1,660,172x = 3,627,886 × 3,627,886
4. Step 4: Simplify right side
   1,660,172x = 13,161,556,828,996
5. Step 5: Solve for x
   x = 13,161,556,828,996/1,660,172
6. Step 6: Final answer
   x = 7,927,827.25