Finding the Third Proportional to 905,496 and 1,225,380

Step by Step Solution

1. Step 1: Write the proportion equation
   905,496 : 1,225,380 = 1,225,380 : x
2. Step 2: Convert to fraction form
   905,496/1,225,380 = 1,225,380/x
3. Step 3: Cross multiply
   905,496x = 1,225,380 × 1,225,380
4. Step 4: Simplify right side
   905,496x = 1,501,556,144,400
5. Step 5: Solve for x
   x = 1,501,556,144,400/905,496
6. Step 6: Final answer
   x = 1,658,269.22