Finding the Third Proportional to 493,720 and 1,076,640

Step by Step Solution

1. Step 1: Write the proportion equation
   493,720 : 1,076,640 = 1,076,640 : x
2. Step 2: Convert to fraction form
   493,720/1,076,640 = 1,076,640/x
3. Step 3: Cross multiply
   493,720x = 1,076,640 × 1,076,640
4. Step 4: Simplify right side
   493,720x = 1,159,153,689,600
5. Step 5: Solve for x
   x = 1,159,153,689,600/493,720
6. Step 6: Final answer
   x = 2,347,795.69