Finding the Third Proportional to 725,136 and 1,555,248

Step by Step Solution

1. Step 1: Write the proportion equation
   725,136 : 1,555,248 = 1,555,248 : x
2. Step 2: Convert to fraction form
   725,136/1,555,248 = 1,555,248/x
3. Step 3: Cross multiply
   725,136x = 1,555,248 × 1,555,248
4. Step 4: Simplify right side
   725,136x = 2,418,796,341,504
5. Step 5: Solve for x
   x = 2,418,796,341,504/725,136
6. Step 6: Final answer
   x = 3,335,645.09