Finding the Third Proportional to 528,392 and 1,303,124

Step by Step Solution

1. Step 1: Write the proportion equation
   528,392 : 1,303,124 = 1,303,124 : x
2. Step 2: Convert to fraction form
   528,392/1,303,124 = 1,303,124/x
3. Step 3: Cross multiply
   528,392x = 1,303,124 × 1,303,124
4. Step 4: Simplify right side
   528,392x = 1,698,132,159,376
5. Step 5: Solve for x
   x = 1,698,132,159,376/528,392
6. Step 6: Final answer
   x = 3,213,773.41