Finding the Third Proportional to 1,072,116 and 1,658,556

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072,116 : 1,658,556 = 1,658,556 : x
2. Step 2: Convert to fraction form
   1,072,116/1,658,556 = 1,658,556/x
3. Step 3: Cross multiply
   1,072,116x = 1,658,556 × 1,658,556
4. Step 4: Simplify right side
   1,072,116x = 2,750,808,005,136
5. Step 5: Solve for x
   x = 2,750,808,005,136/1,072,116
6. Step 6: Final answer
   x = 2,565,774.60