Finding the Third Proportional to 1,781,208 and 3,624,620

Step by Step Solution

1. Step 1: Write the proportion equation
   1,781,208 : 3,624,620 = 3,624,620 : x
2. Step 2: Convert to fraction form
   1,781,208/3,624,620 = 3,624,620/x
3. Step 3: Cross multiply
   1,781,208x = 3,624,620 × 3,624,620
4. Step 4: Simplify right side
   1,781,208x = 13,137,870,144,400
5. Step 5: Solve for x
   x = 13,137,870,144,400/1,781,208
6. Step 6: Final answer
   x = 7,375,820.31