Finding the Third Proportional to 1,669,638 and 3,611,532

Step by Step Solution

1. Step 1: Write the proportion equation
   1,669,638 : 3,611,532 = 3,611,532 : x
2. Step 2: Convert to fraction form
   1,669,638/3,611,532 = 3,611,532/x
3. Step 3: Cross multiply
   1,669,638x = 3,611,532 × 3,611,532
4. Step 4: Simplify right side
   1,669,638x = 13,043,163,387,024
5. Step 5: Solve for x
   x = 13,043,163,387,024/1,669,638
6. Step 6: Final answer
   x = 7,811,970.85