Finding the Third Proportional to 622,260 and 1,357,146

Step by Step Solution

1. Step 1: Write the proportion equation
   622,260 : 1,357,146 = 1,357,146 : x
2. Step 2: Convert to fraction form
   622,260/1,357,146 = 1,357,146/x
3. Step 3: Cross multiply
   622,260x = 1,357,146 × 1,357,146
4. Step 4: Simplify right side
   622,260x = 1,841,845,265,316
5. Step 5: Solve for x
   x = 1,841,845,265,316/622,260
6. Step 6: Final answer
   x = 2,959,928.75