Finding the Third Proportional to 803,136 and 1,070,706

Step by Step Solution

1. Step 1: Write the proportion equation
   803,136 : 1,070,706 = 1,070,706 : x
2. Step 2: Convert to fraction form
   803,136/1,070,706 = 1,070,706/x
3. Step 3: Cross multiply
   803,136x = 1,070,706 × 1,070,706
4. Step 4: Simplify right side
   803,136x = 1,146,411,338,436
5. Step 5: Solve for x
   x = 1,146,411,338,436/803,136
6. Step 6: Final answer
   x = 1,427,418.69