Finding the Third Proportional to 739,430 and 1,513,828

Step by Step Solution

1. Step 1: Write the proportion equation
   739,430 : 1,513,828 = 1,513,828 : x
2. Step 2: Convert to fraction form
   739,430/1,513,828 = 1,513,828/x
3. Step 3: Cross multiply
   739,430x = 1,513,828 × 1,513,828
4. Step 4: Simplify right side
   739,430x = 2,291,675,213,584
5. Step 5: Solve for x
   x = 2,291,675,213,584/739,430
6. Step 6: Final answer
   x = 3,099,245.65