Finding the Third Proportional to 1,620,459 and 3,532,500

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,459 : 3,532,500 = 3,532,500 : x
2. Step 2: Convert to fraction form
   1,620,459/3,532,500 = 3,532,500/x
3. Step 3: Cross multiply
   1,620,459x = 3,532,500 × 3,532,500
4. Step 4: Simplify right side
   1,620,459x = 12,478,556,250,000
5. Step 5: Solve for x
   x = 12,478,556,250,000/1,620,459
6. Step 6: Final answer
   x = 7,700,630.65