Finding the Third Proportional to 1,072,663 and 1,590,441

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072,663 : 1,590,441 = 1,590,441 : x
2. Step 2: Convert to fraction form
   1,072,663/1,590,441 = 1,590,441/x
3. Step 3: Cross multiply
   1,072,663x = 1,590,441 × 1,590,441
4. Step 4: Simplify right side
   1,072,663x = 2,529,502,574,481
5. Step 5: Solve for x
   x = 2,529,502,574,481/1,072,663
6. Step 6: Final answer
   x = 2,358,152.16