Finding the Third Proportional to 4,518,498 and 9,946,788

Step by Step Solution

1. Step 1: Write the proportion equation
   4,518,498 : 9,946,788 = 9,946,788 : x
2. Step 2: Convert to fraction form
   4,518,498/9,946,788 = 9,946,788/x
3. Step 3: Cross multiply
   4,518,498x = 9,946,788 × 9,946,788
4. Step 4: Simplify right side
   4,518,498x = 98,938,591,516,944
5. Step 5: Solve for x
   x = 98,938,591,516,944/4,518,498
6. Step 6: Final answer
   x = 21,896,345.09