Finding the Third Proportional to 705,140 and 1,447,828

Step by Step Solution

1. Step 1: Write the proportion equation
   705,140 : 1,447,828 = 1,447,828 : x
2. Step 2: Convert to fraction form
   705,140/1,447,828 = 1,447,828/x
3. Step 3: Cross multiply
   705,140x = 1,447,828 × 1,447,828
4. Step 4: Simplify right side
   705,140x = 2,096,205,917,584
5. Step 5: Solve for x
   x = 2,096,205,917,584/705,140
6. Step 6: Final answer
   x = 2,972,751.39