Finding the Third Proportional to 3,581,388 and 5,553,630

Step by Step Solution

1. Step 1: Write the proportion equation
   3,581,388 : 5,553,630 = 5,553,630 : x
2. Step 2: Convert to fraction form
   3,581,388/5,553,630 = 5,553,630/x
3. Step 3: Cross multiply
   3,581,388x = 5,553,630 × 5,553,630
4. Step 4: Simplify right side
   3,581,388x = 30,842,806,176,900
5. Step 5: Solve for x
   x = 30,842,806,176,900/3,581,388
6. Step 6: Final answer
   x = 8,611,970.05