Finding the Third Proportional to 3,391,005 and 5,121,069

Step by Step Solution

1. Step 1: Write the proportion equation
   3,391,005 : 5,121,069 = 5,121,069 : x
2. Step 2: Convert to fraction form
   3,391,005/5,121,069 = 5,121,069/x
3. Step 3: Cross multiply
   3,391,005x = 5,121,069 × 5,121,069
4. Step 4: Simplify right side
   3,391,005x = 26,225,347,702,761
5. Step 5: Solve for x
   x = 26,225,347,702,761/3,391,005
6. Step 6: Final answer
   x = 7,733,798.00