Finding the Third Proportional to 707,288 and 1,447,255

Step by Step Solution

1. Step 1: Write the proportion equation
   707,288 : 1,447,255 = 1,447,255 : x
2. Step 2: Convert to fraction form
   707,288/1,447,255 = 1,447,255/x
3. Step 3: Cross multiply
   707,288x = 1,447,255 × 1,447,255
4. Step 4: Simplify right side
   707,288x = 2,094,547,035,025
5. Step 5: Solve for x
   x = 2,094,547,035,025/707,288
6. Step 6: Final answer
   x = 2,961,377.88