Finding the Third Proportional to 3,601,988 and 7,686,088

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601,988 : 7,686,088 = 7,686,088 : x
2. Step 2: Convert to fraction form
   3,601,988/7,686,088 = 7,686,088/x
3. Step 3: Cross multiply
   3,601,988x = 7,686,088 × 7,686,088
4. Step 4: Simplify right side
   3,601,988x = 59,075,948,743,744
5. Step 5: Solve for x
   x = 59,075,948,743,744/3,601,988
6. Step 6: Final answer
   x = 16,400,928.80