Finding the Third Proportional to 653,444 and 1,386,196

Step by Step Solution

1. Step 1: Write the proportion equation
   653,444 : 1,386,196 = 1,386,196 : x
2. Step 2: Convert to fraction form
   653,444/1,386,196 = 1,386,196/x
3. Step 3: Cross multiply
   653,444x = 1,386,196 × 1,386,196
4. Step 4: Simplify right side
   653,444x = 1,921,539,350,416
5. Step 5: Solve for x
   x = 1,921,539,350,416/653,444
6. Step 6: Final answer
   x = 2,940,633.55