Finding the Third Proportional to 513,396 and 1,112,328

Step by Step Solution

1. Step 1: Write the proportion equation
   513,396 : 1,112,328 = 1,112,328 : x
2. Step 2: Convert to fraction form
   513,396/1,112,328 = 1,112,328/x
3. Step 3: Cross multiply
   513,396x = 1,112,328 × 1,112,328
4. Step 4: Simplify right side
   513,396x = 1,237,273,579,584
5. Step 5: Solve for x
   x = 1,237,273,579,584/513,396
6. Step 6: Final answer
   x = 2,409,979.00