Finding the Third Proportional to 438,532 and 1,025,290

Step by Step Solution

1. Step 1: Write the proportion equation
   438,532 : 1,025,290 = 1,025,290 : x
2. Step 2: Convert to fraction form
   438,532/1,025,290 = 1,025,290/x
3. Step 3: Cross multiply
   438,532x = 1,025,290 × 1,025,290
4. Step 4: Simplify right side
   438,532x = 1,051,219,584,100
5. Step 5: Solve for x
   x = 1,051,219,584,100/438,532
6. Step 6: Final answer
   x = 2,397,133.13