Finding the Third Proportional to 618,440 and 882,012

Step by Step Solution

1. Step 1: Write the proportion equation
   618,440 : 882,012 = 882,012 : x
2. Step 2: Convert to fraction form
   618,440/882,012 = 882,012/x
3. Step 3: Cross multiply
   618,440x = 882,012 × 882,012
4. Step 4: Simplify right side
   618,440x = 777,945,168,144
5. Step 5: Solve for x
   x = 777,945,168,144/618,440
6. Step 6: Final answer
   x = 1,257,915.35