Finding the Third Proportional to 1,620,455 and 3,532,492

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,455 : 3,532,492 = 3,532,492 : x
2. Step 2: Convert to fraction form
   1,620,455/3,532,492 = 3,532,492/x
3. Step 3: Cross multiply
   1,620,455x = 3,532,492 × 3,532,492
4. Step 4: Simplify right side
   1,620,455x = 12,478,499,730,064
5. Step 5: Solve for x
   x = 12,478,499,730,064/1,620,455
6. Step 6: Final answer
   x = 7,700,614.78