Finding the Third Proportional to 153,493.88 and 314,595

Step by Step Solution

1. Step 1: Write the proportion equation
   153,493.88 : 314,595 = 314,595 : x
2. Step 2: Convert to fraction form
   153,493.88/314,595 = 314,595/x
3. Step 3: Cross multiply
   153,493.88x = 314,595 × 314,595
4. Step 4: Simplify right side
   153,493.88x = 98,970,014,025
5. Step 5: Solve for x
   x = 98,970,014,025/153,493.88
6. Step 6: Final answer
   x = 644,781.52