Finding the Third Proportional to 803,136 and 1,243,584

Step by Step Solution

1. Step 1: Write the proportion equation
   803,136 : 1,243,584 = 1,243,584 : x
2. Step 2: Convert to fraction form
   803,136/1,243,584 = 1,243,584/x
3. Step 3: Cross multiply
   803,136x = 1,243,584 × 1,243,584
4. Step 4: Simplify right side
   803,136x = 1,546,501,165,056
5. Step 5: Solve for x
   x = 1,546,501,165,056/803,136
6. Step 6: Final answer
   x = 1,925,578.19