Finding the Third Proportional to 612,167 and 1,298,440

Step by Step Solution

1. Step 1: Write the proportion equation
   612,167 : 1,298,440 = 1,298,440 : x
2. Step 2: Convert to fraction form
   612,167/1,298,440 = 1,298,440/x
3. Step 3: Cross multiply
   612,167x = 1,298,440 × 1,298,440
4. Step 4: Simplify right side
   612,167x = 1,685,946,433,600
5. Step 5: Solve for x
   x = 1,685,946,433,600/612,167
6. Step 6: Final answer
   x = 2,754,062.92