Finding the Third Proportional to 1,010,308 and 2,180,859

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010,308 : 2,180,859 = 2,180,859 : x
2. Step 2: Convert to fraction form
   1,010,308/2,180,859 = 2,180,859/x
3. Step 3: Cross multiply
   1,010,308x = 2,180,859 × 2,180,859
4. Step 4: Simplify right side
   1,010,308x = 4,756,145,977,881
5. Step 5: Solve for x
   x = 4,756,145,977,881/1,010,308
6. Step 6: Final answer
   x = 4,707,619.83