Finding the Third Proportional to 2,115,460 and 4,650,824

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,460 : 4,650,824 = 4,650,824 : x
2. Step 2: Convert to fraction form
   2,115,460/4,650,824 = 4,650,824/x
3. Step 3: Cross multiply
   2,115,460x = 4,650,824 × 4,650,824
4. Step 4: Simplify right side
   2,115,460x = 21,630,163,878,976
5. Step 5: Solve for x
   x = 21,630,163,878,976/2,115,460
6. Step 6: Final answer
   x = 10,224,804.00