Finding the Third Proportional to 4,668,624 and 10,155,240

Step by Step Solution

1. Step 1: Write the proportion equation
   4,668,624 : 10,155,240 = 10,155,240 : x
2. Step 2: Convert to fraction form
   4,668,624/10,155,240 = 10,155,240/x
3. Step 3: Cross multiply
   4,668,624x = 10,155,240 × 10,155,240
4. Step 4: Simplify right side
   4,668,624x = 103,128,899,457,600
5. Step 5: Solve for x
   x = 103,128,899,457,600/4,668,624
6. Step 6: Final answer
   x = 22,089,784.80