Finding the Third Proportional to 2,160,588 and 4,656,120

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160,588 : 4,656,120 = 4,656,120 : x
2. Step 2: Convert to fraction form
   2,160,588/4,656,120 = 4,656,120/x
3. Step 3: Cross multiply
   2,160,588x = 4,656,120 × 4,656,120
4. Step 4: Simplify right side
   2,160,588x = 21,679,453,454,400
5. Step 5: Solve for x
   x = 21,679,453,454,400/2,160,588
6. Step 6: Final answer
   x = 10,034,052.51