Finding the Third Proportional to 1,403,086 and 2,186,764

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,086 : 2,186,764 = 2,186,764 : x
2. Step 2: Convert to fraction form
   1,403,086/2,186,764 = 2,186,764/x
3. Step 3: Cross multiply
   1,403,086x = 2,186,764 × 2,186,764
4. Step 4: Simplify right side
   1,403,086x = 4,781,936,791,696
5. Step 5: Solve for x
   x = 4,781,936,791,696/1,403,086
6. Step 6: Final answer
   x = 3,408,156.59