Finding the Third Proportional to 947,664 and 2,237,109

Step by Step Solution

1. Step 1: Write the proportion equation
   947,664 : 2,237,109 = 2,237,109 : x
2. Step 2: Convert to fraction form
   947,664/2,237,109 = 2,237,109/x
3. Step 3: Cross multiply
   947,664x = 2,237,109 × 2,237,109
4. Step 4: Simplify right side
   947,664x = 5,004,656,677,881
5. Step 5: Solve for x
   x = 5,004,656,677,881/947,664
6. Step 6: Final answer
   x = 5,281,045.47