Finding the Third Proportional to 3,530,391 and 7,620,654

Step by Step Solution

1. Step 1: Write the proportion equation
   3,530,391 : 7,620,654 = 7,620,654 : x
2. Step 2: Convert to fraction form
   3,530,391/7,620,654 = 7,620,654/x
3. Step 3: Cross multiply
   3,530,391x = 7,620,654 × 7,620,654
4. Step 4: Simplify right side
   3,530,391x = 58,074,367,387,716
5. Step 5: Solve for x
   x = 58,074,367,387,716/3,530,391
6. Step 6: Final answer
   x = 16,449,840.09