Finding the Third Proportional to 707,287 and 1,447,253

Step by Step Solution

1. Step 1: Write the proportion equation
   707,287 : 1,447,253 = 1,447,253 : x
2. Step 2: Convert to fraction form
   707,287/1,447,253 = 1,447,253/x
3. Step 3: Cross multiply
   707,287x = 1,447,253 × 1,447,253
4. Step 4: Simplify right side
   707,287x = 2,094,541,246,009
5. Step 5: Solve for x
   x = 2,094,541,246,009/707,287
6. Step 6: Final answer
   x = 2,961,373.88