Finding the Third Proportional to 1,438,526 and 2,161,479

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,526 : 2,161,479 = 2,161,479 : x
2. Step 2: Convert to fraction form
   1,438,526/2,161,479 = 2,161,479/x
3. Step 3: Cross multiply
   1,438,526x = 2,161,479 × 2,161,479
4. Step 4: Simplify right side
   1,438,526x = 4,671,991,467,441
5. Step 5: Solve for x
   x = 4,671,991,467,441/1,438,526
6. Step 6: Final answer
   x = 3,247,762.97