Finding the Third Proportional to 610,516 and 1,326,128

Step by Step Solution

1. Step 1: Write the proportion equation
   610,516 : 1,326,128 = 1,326,128 : x
2. Step 2: Convert to fraction form
   610,516/1,326,128 = 1,326,128/x
3. Step 3: Cross multiply
   610,516x = 1,326,128 × 1,326,128
4. Step 4: Simplify right side
   610,516x = 1,758,615,472,384
5. Step 5: Solve for x
   x = 1,758,615,472,384/610,516
6. Step 6: Final answer
   x = 2,880,539.53