Finding the Third Proportional to 1,309,554 and 2,018,385

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,554 : 2,018,385 = 2,018,385 : x
2. Step 2: Convert to fraction form
   1,309,554/2,018,385 = 2,018,385/x
3. Step 3: Cross multiply
   1,309,554x = 2,018,385 × 2,018,385
4. Step 4: Simplify right side
   1,309,554x = 4,073,878,008,225
5. Step 5: Solve for x
   x = 4,073,878,008,225/1,309,554
6. Step 6: Final answer
   x = 3,110,889.67