Finding the Third Proportional to 601,564 and 1,219,688

Step by Step Solution

1. Step 1: Write the proportion equation
   601,564 : 1,219,688 = 1,219,688 : x
2. Step 2: Convert to fraction form
   601,564/1,219,688 = 1,219,688/x
3. Step 3: Cross multiply
   601,564x = 1,219,688 × 1,219,688
4. Step 4: Simplify right side
   601,564x = 1,487,638,817,344
5. Step 5: Solve for x
   x = 1,487,638,817,344/601,564
6. Step 6: Final answer
   x = 2,472,951.87