Finding the Third Proportional to 864,350 and 1,308,455

Step by Step Solution

1. Step 1: Write the proportion equation
   864,350 : 1,308,455 = 1,308,455 : x
2. Step 2: Convert to fraction form
   864,350/1,308,455 = 1,308,455/x
3. Step 3: Cross multiply
   864,350x = 1,308,455 × 1,308,455
4. Step 4: Simplify right side
   864,350x = 1,712,054,487,025
5. Step 5: Solve for x
   x = 1,712,054,487,025/864,350
6. Step 6: Final answer
   x = 1,980,742.16