Finding the Third Proportional to 635,776 and 1,389,656

Step by Step Solution

1. Step 1: Write the proportion equation
   635,776 : 1,389,656 = 1,389,656 : x
2. Step 2: Convert to fraction form
   635,776/1,389,656 = 1,389,656/x
3. Step 3: Cross multiply
   635,776x = 1,389,656 × 1,389,656
4. Step 4: Simplify right side
   635,776x = 1,931,143,798,336
5. Step 5: Solve for x
   x = 1,931,143,798,336/635,776
6. Step 6: Final answer
   x = 3,037,459.42