Finding the Third Proportional to 4,640,789 and 7,171,190

Step by Step Solution

1. Step 1: Write the proportion equation
   4,640,789 : 7,171,190 = 7,171,190 : x
2. Step 2: Convert to fraction form
   4,640,789/7,171,190 = 7,171,190/x
3. Step 3: Cross multiply
   4,640,789x = 7,171,190 × 7,171,190
4. Step 4: Simplify right side
   4,640,789x = 51,425,966,016,100
5. Step 5: Solve for x
   x = 51,425,966,016,100/4,640,789
6. Step 6: Final answer
   x = 11,081,298.03