Finding the Third Proportional to 272,595 and 413,812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   272,595 : 413,812.50 = 413,812.50 : x
2. Step 2: Convert to fraction form
   272,595/413,812.50 = 413,812.50/x
3. Step 3: Cross multiply
   272,595x = 413,812.50 × 413,812.50
4. Step 4: Simplify right side
   272,595x = 171,240,785,156.25
5. Step 5: Solve for x
   x = 171,240,785,156.25/272,595
6. Step 6: Final answer
   x = 628,187.55