Finding the Third Proportional to 5,224,146 and 8,072,640

Step by Step Solution

1. Step 1: Write the proportion equation
   5,224,146 : 8,072,640 = 8,072,640 : x
2. Step 2: Convert to fraction form
   5,224,146/8,072,640 = 8,072,640/x
3. Step 3: Cross multiply
   5,224,146x = 8,072,640 × 8,072,640
4. Step 4: Simplify right side
   5,224,146x = 65,167,516,569,600
5. Step 5: Solve for x
   x = 65,167,516,569,600/5,224,146
6. Step 6: Final answer
   x = 12,474,290.84