Finding the Third Proportional to 1,373,698.50 and 2,019,390

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373,698.50 : 2,019,390 = 2,019,390 : x
2. Step 2: Convert to fraction form
   1,373,698.50/2,019,390 = 2,019,390/x
3. Step 3: Cross multiply
   1,373,698.50x = 2,019,390 × 2,019,390
4. Step 4: Simplify right side
   1,373,698.50x = 4,077,935,972,100
5. Step 5: Solve for x
   x = 4,077,935,972,100/1,373,698.50
6. Step 6: Final answer
   x = 2,968,581.51