Finding the Third Proportional to 1,400,088 and 2,112,960

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400,088 : 2,112,960 = 2,112,960 : x
2. Step 2: Convert to fraction form
   1,400,088/2,112,960 = 2,112,960/x
3. Step 3: Cross multiply
   1,400,088x = 2,112,960 × 2,112,960
4. Step 4: Simplify right side
   1,400,088x = 4,464,599,961,600
5. Step 5: Solve for x
   x = 4,464,599,961,600/1,400,088
6. Step 6: Final answer
   x = 3,188,799.53