Finding the Third Proportional to 1,620,468 and 3,492,136

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,468 : 3,492,136 = 3,492,136 : x
2. Step 2: Convert to fraction form
   1,620,468/3,492,136 = 3,492,136/x
3. Step 3: Cross multiply
   1,620,468x = 3,492,136 × 3,492,136
4. Step 4: Simplify right side
   1,620,468x = 12,195,013,842,496
5. Step 5: Solve for x
   x = 12,195,013,842,496/1,620,468
6. Step 6: Final answer
   x = 7,525,612.26