Finding the Third Proportional to 603,722 and 1,312,276

Step by Step Solution

1. Step 1: Write the proportion equation
   603,722 : 1,312,276 = 1,312,276 : x
2. Step 2: Convert to fraction form
   603,722/1,312,276 = 1,312,276/x
3. Step 3: Cross multiply
   603,722x = 1,312,276 × 1,312,276
4. Step 4: Simplify right side
   603,722x = 1,722,068,300,176
5. Step 5: Solve for x
   x = 1,722,068,300,176/603,722
6. Step 6: Final answer
   x = 2,852,419.33