Finding the Third Proportional to 361,309.50 and 786,962.25

Step by Step Solution

1. Step 1: Write the proportion equation
   361,309.50 : 786,962.25 = 786,962.25 : x
2. Step 2: Convert to fraction form
   361,309.50/786,962.25 = 786,962.25/x
3. Step 3: Cross multiply
   361,309.50x = 786,962.25 × 786,962.25
4. Step 4: Simplify right side
   361,309.50x = 619,309,582,925.06
5. Step 5: Solve for x
   x = 619,309,582,925.06/361,309.50
6. Step 6: Final answer
   x = 1,714,069.47