Finding the Third Proportional to 947,690 and 2,237,174

Step by Step Solution

1. Step 1: Write the proportion equation
   947,690 : 2,237,174 = 2,237,174 : x
2. Step 2: Convert to fraction form
   947,690/2,237,174 = 2,237,174/x
3. Step 3: Cross multiply
   947,690x = 2,237,174 × 2,237,174
4. Step 4: Simplify right side
   947,690x = 5,004,947,506,276
5. Step 5: Solve for x
   x = 5,004,947,506,276/947,690
6. Step 6: Final answer
   x = 5,281,207.47