Finding the Third Proportional to 1,112,172 and 2,428,221

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112,172 : 2,428,221 = 2,428,221 : x
2. Step 2: Convert to fraction form
   1,112,172/2,428,221 = 2,428,221/x
3. Step 3: Cross multiply
   1,112,172x = 2,428,221 × 2,428,221
4. Step 4: Simplify right side
   1,112,172x = 5,896,257,224,841
5. Step 5: Solve for x
   x = 5,896,257,224,841/1,112,172
6. Step 6: Final answer
   x = 5,301,569.56