Finding the Third Proportional to 2,160,360 and 4,653,120

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160,360 : 4,653,120 = 4,653,120 : x
2. Step 2: Convert to fraction form
   2,160,360/4,653,120 = 4,653,120/x
3. Step 3: Cross multiply
   2,160,360x = 4,653,120 × 4,653,120
4. Step 4: Simplify right side
   2,160,360x = 21,651,525,734,400
5. Step 5: Solve for x
   x = 21,651,525,734,400/2,160,360
6. Step 6: Final answer
   x = 10,022,184.14