Finding the Third Proportional to 1,111,536 and 1,722,219

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,536 : 1,722,219 = 1,722,219 : x
2. Step 2: Convert to fraction form
   1,111,536/1,722,219 = 1,722,219/x
3. Step 3: Cross multiply
   1,111,536x = 1,722,219 × 1,722,219
4. Step 4: Simplify right side
   1,111,536x = 2,966,038,283,961
5. Step 5: Solve for x
   x = 2,966,038,283,961/1,111,536
6. Step 6: Final answer
   x = 2,668,414.05