Finding the Third Proportional to 2,103,136 and 4,575,321

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103,136 : 4,575,321 = 4,575,321 : x
2. Step 2: Convert to fraction form
   2,103,136/4,575,321 = 4,575,321/x
3. Step 3: Cross multiply
   2,103,136x = 4,575,321 × 4,575,321
4. Step 4: Simplify right side
   2,103,136x = 20,933,562,253,041
5. Step 5: Solve for x
   x = 20,933,562,253,041/2,103,136
6. Step 6: Final answer
   x = 9,953,499.09