Finding the Third Proportional to 314,593.88 and 488,019.94

Step by Step Solution

1. Step 1: Write the proportion equation
   314,593.88 : 488,019.94 = 488,019.94 : x
2. Step 2: Convert to fraction form
   314,593.88/488,019.94 = 488,019.94/x
3. Step 3: Cross multiply
   314,593.88x = 488,019.94 × 488,019.94
4. Step 4: Simplify right side
   314,593.88x = 238,163,459,397.50
5. Step 5: Solve for x
   x = 238,163,459,397.50/314,593.88
6. Step 6: Final answer
   x = 757,050.53