Finding the Third Proportional to 622,280 and 1,357,184

Step by Step Solution

1. Step 1: Write the proportion equation
   622,280 : 1,357,184 = 1,357,184 : x
2. Step 2: Convert to fraction form
   622,280/1,357,184 = 1,357,184/x
3. Step 3: Cross multiply
   622,280x = 1,357,184 × 1,357,184
4. Step 4: Simplify right side
   622,280x = 1,841,948,409,856
5. Step 5: Solve for x
   x = 1,841,948,409,856/622,280
6. Step 6: Final answer
   x = 2,959,999.37