Finding the Third Proportional to 3,920,526 and 8,492,522

Step by Step Solution

1. Step 1: Write the proportion equation
   3,920,526 : 8,492,522 = 8,492,522 : x
2. Step 2: Convert to fraction form
   3,920,526/8,492,522 = 8,492,522/x
3. Step 3: Cross multiply
   3,920,526x = 8,492,522 × 8,492,522
4. Step 4: Simplify right side
   3,920,526x = 72,122,929,920,484
5. Step 5: Solve for x
   x = 72,122,929,920,484/3,920,526
6. Step 6: Final answer
   x = 18,396,238.14