Finding the Third Proportional to 12,066,688 and 16,878,880

Step by Step Solution

1. Step 1: Write the proportion equation
   12,066,688 : 16,878,880 = 16,878,880 : x
2. Step 2: Convert to fraction form
   12,066,688/16,878,880 = 16,878,880/x
3. Step 3: Cross multiply
   12,066,688x = 16,878,880 × 16,878,880
4. Step 4: Simplify right side
   12,066,688x = 284,896,590,054,400
5. Step 5: Solve for x
   x = 284,896,590,054,400/12,066,688
6. Step 6: Final answer
   x = 23,610,172.90