Finding the Third Proportional to 287,464.50 and 604,719

Step by Step Solution

1. Step 1: Write the proportion equation
   287,464.50 : 604,719 = 604,719 : x
2. Step 2: Convert to fraction form
   287,464.50/604,719 = 604,719/x
3. Step 3: Cross multiply
   287,464.50x = 604,719 × 604,719
4. Step 4: Simplify right side
   287,464.50x = 365,685,068,961
5. Step 5: Solve for x
   x = 365,685,068,961/287,464.50
6. Step 6: Final answer
   x = 1,272,105.14