Finding the Third Proportional to 153,484.88 and 314,577

Step by Step Solution

1. Step 1: Write the proportion equation
   153,484.88 : 314,577 = 314,577 : x
2. Step 2: Convert to fraction form
   153,484.88/314,577 = 314,577/x
3. Step 3: Cross multiply
   153,484.88x = 314,577 × 314,577
4. Step 4: Simplify right side
   153,484.88x = 98,958,688,929
5. Step 5: Solve for x
   x = 98,958,688,929/153,484.88
6. Step 6: Final answer
   x = 644,745.54