Finding the Third Proportional to 1,369,080 and 2,128,293

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369,080 : 2,128,293 = 2,128,293 : x
2. Step 2: Convert to fraction form
   1,369,080/2,128,293 = 2,128,293/x
3. Step 3: Cross multiply
   1,369,080x = 2,128,293 × 2,128,293
4. Step 4: Simplify right side
   1,369,080x = 4,529,631,093,849
5. Step 5: Solve for x
   x = 4,529,631,093,849/1,369,080
6. Step 6: Final answer
   x = 3,308,521.85