Finding the Third Proportional to 917,106 and 1,223,136

Step by Step Solution

1. Step 1: Write the proportion equation
   917,106 : 1,223,136 = 1,223,136 : x
2. Step 2: Convert to fraction form
   917,106/1,223,136 = 1,223,136/x
3. Step 3: Cross multiply
   917,106x = 1,223,136 × 1,223,136
4. Step 4: Simplify right side
   917,106x = 1,496,061,674,496
5. Step 5: Solve for x
   x = 1,496,061,674,496/917,106
6. Step 6: Final answer
   x = 1,631,285.45