Finding the Third Proportional to 903,296 and 1,298,355

Step by Step Solution

1. Step 1: Write the proportion equation
   903,296 : 1,298,355 = 1,298,355 : x
2. Step 2: Convert to fraction form
   903,296/1,298,355 = 1,298,355/x
3. Step 3: Cross multiply
   903,296x = 1,298,355 × 1,298,355
4. Step 4: Simplify right side
   903,296x = 1,685,725,706,025
5. Step 5: Solve for x
   x = 1,685,725,706,025/903,296
6. Step 6: Final answer
   x = 1,866,194.14