Finding the Third Proportional to 1,201,619 and 1,859,958

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201,619 : 1,859,958 = 1,859,958 : x
2. Step 2: Convert to fraction form
   1,201,619/1,859,958 = 1,859,958/x
3. Step 3: Cross multiply
   1,201,619x = 1,859,958 × 1,859,958
4. Step 4: Simplify right side
   1,201,619x = 3,459,443,761,764
5. Step 5: Solve for x
   x = 3,459,443,761,764/1,201,619
6. Step 6: Final answer
   x = 2,878,985.57