Finding the Third Proportional to 947,680 and 2,237,142

Step by Step Solution

1. Step 1: Write the proportion equation
   947,680 : 2,237,142 = 2,237,142 : x
2. Step 2: Convert to fraction form
   947,680/2,237,142 = 2,237,142/x
3. Step 3: Cross multiply
   947,680x = 2,237,142 × 2,237,142
4. Step 4: Simplify right side
   947,680x = 5,004,804,328,164
5. Step 5: Solve for x
   x = 5,004,804,328,164/947,680
6. Step 6: Final answer
   x = 5,281,112.11