Finding the Third Proportional to 366,978 and 607,354

Step by Step Solution

1. Step 1: Write the proportion equation
   366,978 : 607,354 = 607,354 : x
2. Step 2: Convert to fraction form
   366,978/607,354 = 607,354/x
3. Step 3: Cross multiply
   366,978x = 607,354 × 607,354
4. Step 4: Simplify right side
   366,978x = 368,878,881,316
5. Step 5: Solve for x
   x = 368,878,881,316/366,978
6. Step 6: Final answer
   x = 1,005,179.82