Finding the Third Proportional to 615,402 and 1,293,003

Step by Step Solution

1. Step 1: Write the proportion equation
   615,402 : 1,293,003 = 1,293,003 : x
2. Step 2: Convert to fraction form
   615,402/1,293,003 = 1,293,003/x
3. Step 3: Cross multiply
   615,402x = 1,293,003 × 1,293,003
4. Step 4: Simplify right side
   615,402x = 1,671,856,758,009
5. Step 5: Solve for x
   x = 1,671,856,758,009/615,402
6. Step 6: Final answer
   x = 2,716,690.49