Finding the Third Proportional to 1,620,219 and 3,545,574

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,219 : 3,545,574 = 3,545,574 : x
2. Step 2: Convert to fraction form
   1,620,219/3,545,574 = 3,545,574/x
3. Step 3: Cross multiply
   1,620,219x = 3,545,574 × 3,545,574
4. Step 4: Simplify right side
   1,620,219x = 12,571,094,989,476
5. Step 5: Solve for x
   x = 12,571,094,989,476/1,620,219
6. Step 6: Final answer
   x = 7,758,886.29