Finding the Third Proportional to 4,808,570 and 10,153,684

Step by Step Solution

1. Step 1: Write the proportion equation
   4,808,570 : 10,153,684 = 10,153,684 : x
2. Step 2: Convert to fraction form
   4,808,570/10,153,684 = 10,153,684/x
3. Step 3: Cross multiply
   4,808,570x = 10,153,684 × 10,153,684
4. Step 4: Simplify right side
   4,808,570x = 103,097,298,771,856
5. Step 5: Solve for x
   x = 103,097,298,771,856/4,808,570
6. Step 6: Final answer
   x = 21,440,324.00