Finding the Third Proportional to 272,379 and 537,784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   272,379 : 537,784.50 = 537,784.50 : x
2. Step 2: Convert to fraction form
   272,379/537,784.50 = 537,784.50/x
3. Step 3: Cross multiply
   272,379x = 537,784.50 × 537,784.50
4. Step 4: Simplify right side
   272,379x = 289,212,168,440.25
5. Step 5: Solve for x
   x = 289,212,168,440.25/272,379
6. Step 6: Final answer
   x = 1,061,800.54