Finding the Third Proportional to 2,550,335.63 and 5,388,499.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550,335.63 : 5,388,499.69 = 5,388,499.69 : x
2. Step 2: Convert to fraction form
   2,550,335.63/5,388,499.69 = 5,388,499.69/x
3. Step 3: Cross multiply
   2,550,335.63x = 5,388,499.69 × 5,388,499.69
4. Step 4: Simplify right side
   2,550,335.63x = 29,035,928,882,187.60
5. Step 5: Solve for x
   x = 29,035,928,882,187.60/2,550,335.63
6. Step 6: Final answer
   x = 11,385,140.29