Finding the Third Proportional to 10,836,878 and 23,688,712

Step by Step Solution

1. Step 1: Write the proportion equation
   10,836,878 : 23,688,712 = 23,688,712 : x
2. Step 2: Convert to fraction form
   10,836,878/23,688,712 = 23,688,712/x
3. Step 3: Cross multiply
   10,836,878x = 23,688,712 × 23,688,712
4. Step 4: Simplify right side
   10,836,878x = 561,155,076,218,944
5. Step 5: Solve for x
   x = 561,155,076,218,944/10,836,878
6. Step 6: Final answer
   x = 51,781,987.05