Finding the Third Proportional to 689,136 and 1,011,024

Step by Step Solution

1. Step 1: Write the proportion equation
   689,136 : 1,011,024 = 1,011,024 : x
2. Step 2: Convert to fraction form
   689,136/1,011,024 = 1,011,024/x
3. Step 3: Cross multiply
   689,136x = 1,011,024 × 1,011,024
4. Step 4: Simplify right side
   689,136x = 1,022,169,528,576
5. Step 5: Solve for x
   x = 1,022,169,528,576/689,136
6. Step 6: Final answer
   x = 1,483,262.42