Finding the Third Proportional to 1,620,453 and 3,532,488

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,453 : 3,532,488 = 3,532,488 : x
2. Step 2: Convert to fraction form
   1,620,453/3,532,488 = 3,532,488/x
3. Step 3: Cross multiply
   1,620,453x = 3,532,488 × 3,532,488
4. Step 4: Simplify right side
   1,620,453x = 12,478,471,470,144
5. Step 5: Solve for x
   x = 12,478,471,470,144/1,620,453
6. Step 6: Final answer
   x = 7,700,606.85