Finding the Third Proportional to 1,208,529 and 1,635,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,208,529 : 1,635,520 = 1,635,520 : x
2. Step 2: Convert to fraction form
   1,208,529/1,635,520 = 1,635,520/x
3. Step 3: Cross multiply
   1,208,529x = 1,635,520 × 1,635,520
4. Step 4: Simplify right side
   1,208,529x = 2,674,925,670,400
5. Step 5: Solve for x
   x = 2,674,925,670,400/1,208,529
6. Step 6: Final answer
   x = 2,213,373.18