Finding the Third Proportional to 838,386 and 1,810,180

Step by Step Solution

1. Step 1: Write the proportion equation
   838,386 : 1,810,180 = 1,810,180 : x
2. Step 2: Convert to fraction form
   838,386/1,810,180 = 1,810,180/x
3. Step 3: Cross multiply
   838,386x = 1,810,180 × 1,810,180
4. Step 4: Simplify right side
   838,386x = 3,276,751,632,400
5. Step 5: Solve for x
   x = 3,276,751,632,400/838,386
6. Step 6: Final answer
   x = 3,908,404.52