Finding the Third Proportional to 556,346 and 1,201,388

Step by Step Solution

1. Step 1: Write the proportion equation
   556,346 : 1,201,388 = 1,201,388 : x
2. Step 2: Convert to fraction form
   556,346/1,201,388 = 1,201,388/x
3. Step 3: Cross multiply
   556,346x = 1,201,388 × 1,201,388
4. Step 4: Simplify right side
   556,346x = 1,443,333,126,544
5. Step 5: Solve for x
   x = 1,443,333,126,544/556,346
6. Step 6: Final answer
   x = 2,594,308.45