Finding the Third Proportional to 4,320,712 and 9,454,736

Step by Step Solution

1. Step 1: Write the proportion equation
   4,320,712 : 9,454,736 = 9,454,736 : x
2. Step 2: Convert to fraction form
   4,320,712/9,454,736 = 9,454,736/x
3. Step 3: Cross multiply
   4,320,712x = 9,454,736 × 9,454,736
4. Step 4: Simplify right side
   4,320,712x = 89,392,032,829,696
5. Step 5: Solve for x
   x = 89,392,032,829,696/4,320,712
6. Step 6: Final answer
   x = 20,689,190.31