Finding the Third Proportional to 1,620,474 and 3,532,532

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,474 : 3,532,532 = 3,532,532 : x
2. Step 2: Convert to fraction form
   1,620,474/3,532,532 = 3,532,532/x
3. Step 3: Cross multiply
   1,620,474x = 3,532,532 × 3,532,532
4. Step 4: Simplify right side
   1,620,474x = 12,478,782,331,024
5. Step 5: Solve for x
   x = 12,478,782,331,024/1,620,474
6. Step 6: Final answer
   x = 7,700,698.89