Finding the Third Proportional to 723,824 and 1,590,412

Step by Step Solution

1. Step 1: Write the proportion equation
   723,824 : 1,590,412 = 1,590,412 : x
2. Step 2: Convert to fraction form
   723,824/1,590,412 = 1,590,412/x
3. Step 3: Cross multiply
   723,824x = 1,590,412 × 1,590,412
4. Step 4: Simplify right side
   723,824x = 2,529,410,329,744
5. Step 5: Solve for x
   x = 2,529,410,329,744/723,824
6. Step 6: Final answer
   x = 3,494,510.17