Finding the Third Proportional to 5,307,788 and 8,005,668

Step by Step Solution

1. Step 1: Write the proportion equation
   5,307,788 : 8,005,668 = 8,005,668 : x
2. Step 2: Convert to fraction form
   5,307,788/8,005,668 = 8,005,668/x
3. Step 3: Cross multiply
   5,307,788x = 8,005,668 × 8,005,668
4. Step 4: Simplify right side
   5,307,788x = 64,090,720,126,224
5. Step 5: Solve for x
   x = 64,090,720,126,224/5,307,788
6. Step 6: Final answer
   x = 12,074,845.51