Finding the Third Proportional to 3,505,669.88 and 5,281,574.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,505,669.88 : 5,281,574.63 = 5,281,574.63 : x
2. Step 2: Convert to fraction form
   3,505,669.88/5,281,574.63 = 5,281,574.63/x
3. Step 3: Cross multiply
   3,505,669.88x = 5,281,574.63 × 5,281,574.63
4. Step 4: Simplify right side
   3,505,669.88x = 27,895,030,519,443.89
5. Step 5: Solve for x
   x = 27,895,030,519,443.89/3,505,669.88
6. Step 6: Final answer
   x = 7,957,118.47