Finding the Third Proportional to 284,426.86 and 611,064

Step by Step Solution

1. Step 1: Write the proportion equation
   284,426.86 : 611,064 = 611,064 : x
2. Step 2: Convert to fraction form
   284,426.86/611,064 = 611,064/x
3. Step 3: Cross multiply
   284,426.86x = 611,064 × 611,064
4. Step 4: Simplify right side
   284,426.86x = 373,399,212,096
5. Step 5: Solve for x
   x = 373,399,212,096/284,426.86
6. Step 6: Final answer
   x = 1,312,812.77