Finding the Third Proportional to 4,575,356 and 9,859,844

Step by Step Solution

1. Step 1: Write the proportion equation
   4,575,356 : 9,859,844 = 9,859,844 : x
2. Step 2: Convert to fraction form
   4,575,356/9,859,844 = 9,859,844/x
3. Step 3: Cross multiply
   4,575,356x = 9,859,844 × 9,859,844
4. Step 4: Simplify right side
   4,575,356x = 97,216,523,704,336
5. Step 5: Solve for x
   x = 97,216,523,704,336/4,575,356
6. Step 6: Final answer
   x = 21,247,859.99