Finding the Third Proportional to 1,071,364 and 1,620,870

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,364 : 1,620,870 = 1,620,870 : x
2. Step 2: Convert to fraction form
   1,071,364/1,620,870 = 1,620,870/x
3. Step 3: Cross multiply
   1,071,364x = 1,620,870 × 1,620,870
4. Step 4: Simplify right side
   1,071,364x = 2,627,219,556,900
5. Step 5: Solve for x
   x = 2,627,219,556,900/1,071,364
6. Step 6: Final answer
   x = 2,452,219.37