Finding the Third Proportional to 612,740.25 and 1,323,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   612,740.25 : 1,323,868.50 = 1,323,868.50 : x
2. Step 2: Convert to fraction form
   612,740.25/1,323,868.50 = 1,323,868.50/x
3. Step 3: Cross multiply
   612,740.25x = 1,323,868.50 × 1,323,868.50
4. Step 4: Simplify right side
   612,740.25x = 1,752,627,805,292.25
5. Step 5: Solve for x
   x = 1,752,627,805,292.25/612,740.25
6. Step 6: Final answer
   x = 2,860,311.21