Finding the Third Proportional to 606,384 and 909,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   606,384 : 909,499.50 = 909,499.50 : x
2. Step 2: Convert to fraction form
   606,384/909,499.50 = 909,499.50/x
3. Step 3: Cross multiply
   606,384x = 909,499.50 × 909,499.50
4. Step 4: Simplify right side
   606,384x = 827,189,340,500.25
5. Step 5: Solve for x
   x = 827,189,340,500.25/606,384
6. Step 6: Final answer
   x = 1,364,134.51