Finding the Third Proportional to 1,427,972 and 2,212,294

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427,972 : 2,212,294 = 2,212,294 : x
2. Step 2: Convert to fraction form
   1,427,972/2,212,294 = 2,212,294/x
3. Step 3: Cross multiply
   1,427,972x = 2,212,294 × 2,212,294
4. Step 4: Simplify right side
   1,427,972x = 4,894,244,742,436
5. Step 5: Solve for x
   x = 4,894,244,742,436/1,427,972
6. Step 6: Final answer
   x = 3,427,409.46