Finding the Third Proportional to 903,789 and 1,400,316

Step by Step Solution

1. Step 1: Write the proportion equation
   903,789 : 1,400,316 = 1,400,316 : x
2. Step 2: Convert to fraction form
   903,789/1,400,316 = 1,400,316/x
3. Step 3: Cross multiply
   903,789x = 1,400,316 × 1,400,316
4. Step 4: Simplify right side
   903,789x = 1,960,884,899,856
5. Step 5: Solve for x
   x = 1,960,884,899,856/903,789
6. Step 6: Final answer
   x = 2,169,626.87