Finding the Third Proportional to 3,530,819 and 7,485,362.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,530,819 : 7,485,362.50 = 7,485,362.50 : x
2. Step 2: Convert to fraction form
   3,530,819/7,485,362.50 = 7,485,362.50/x
3. Step 3: Cross multiply
   3,530,819x = 7,485,362.50 × 7,485,362.50
4. Step 4: Simplify right side
   3,530,819x = 56,030,651,756,406.25
5. Step 5: Solve for x
   x = 56,030,651,756,406.25/3,530,819
6. Step 6: Final answer
   x = 15,869,024.09