Finding the Third Proportional to 503,768 and 1,064,390

Step by Step Solution

1. Step 1: Write the proportion equation
   503,768 : 1,064,390 = 1,064,390 : x
2. Step 2: Convert to fraction form
   503,768/1,064,390 = 1,064,390/x
3. Step 3: Cross multiply
   503,768x = 1,064,390 × 1,064,390
4. Step 4: Simplify right side
   503,768x = 1,132,926,072,100
5. Step 5: Solve for x
   x = 1,132,926,072,100/503,768
6. Step 6: Final answer
   x = 2,248,904.40