Finding the Third Proportional to 1,306,023 and 2,018,139

Step by Step Solution

1. Step 1: Write the proportion equation
   1,306,023 : 2,018,139 = 2,018,139 : x
2. Step 2: Convert to fraction form
   1,306,023/2,018,139 = 2,018,139/x
3. Step 3: Cross multiply
   1,306,023x = 2,018,139 × 2,018,139
4. Step 4: Simplify right side
   1,306,023x = 4,072,885,023,321
5. Step 5: Solve for x
   x = 4,072,885,023,321/1,306,023
6. Step 6: Final answer
   x = 3,118,540.04