Finding the Third Proportional to 3,215,532.75 and 5,118,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,215,532.75 : 5,118,499.50 = 5,118,499.50 : x
2. Step 2: Convert to fraction form
   3,215,532.75/5,118,499.50 = 5,118,499.50/x
3. Step 3: Cross multiply
   3,215,532.75x = 5,118,499.50 × 5,118,499.50
4. Step 4: Simplify right side
   3,215,532.75x = 26,199,037,131,500.25
5. Step 5: Solve for x
   x = 26,199,037,131,500.25/3,215,532.75
6. Step 6: Final answer
   x = 8,147,650.54