Finding the Third Proportional to 2,160,704 and 4,641,667

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160,704 : 4,641,667 = 4,641,667 : x
2. Step 2: Convert to fraction form
   2,160,704/4,641,667 = 4,641,667/x
3. Step 3: Cross multiply
   2,160,704x = 4,641,667 × 4,641,667
4. Step 4: Simplify right side
   2,160,704x = 21,545,072,538,889
5. Step 5: Solve for x
   x = 21,545,072,538,889/2,160,704
6. Step 6: Final answer
   x = 9,971,320.71