Finding the Third Proportional to 10,128,742 and 23,427,910

Step by Step Solution

1. Step 1: Write the proportion equation
   10,128,742 : 23,427,910 = 23,427,910 : x
2. Step 2: Convert to fraction form
   10,128,742/23,427,910 = 23,427,910/x
3. Step 3: Cross multiply
   10,128,742x = 23,427,910 × 23,427,910
4. Step 4: Simplify right side
   10,128,742x = 548,866,966,968,100
5. Step 5: Solve for x
   x = 548,866,966,968,100/10,128,742
6. Step 6: Final answer
   x = 54,189,055.95