Finding the Third Proportional to 1,407,928 and 2,111,938

Step by Step Solution

1. Step 1: Write the proportion equation
   1,407,928 : 2,111,938 = 2,111,938 : x
2. Step 2: Convert to fraction form
   1,407,928/2,111,938 = 2,111,938/x
3. Step 3: Cross multiply
   1,407,928x = 2,111,938 × 2,111,938
4. Step 4: Simplify right side
   1,407,928x = 4,460,282,115,844
5. Step 5: Solve for x
   x = 4,460,282,115,844/1,407,928
6. Step 6: Final answer
   x = 3,167,976.00