Finding the Third Proportional to 231,649.50 and 507,585

Step by Step Solution

1. Step 1: Write the proportion equation
   231,649.50 : 507,585 = 507,585 : x
2. Step 2: Convert to fraction form
   231,649.50/507,585 = 507,585/x
3. Step 3: Cross multiply
   231,649.50x = 507,585 × 507,585
4. Step 4: Simplify right side
   231,649.50x = 257,642,532,225
5. Step 5: Solve for x
   x = 257,642,532,225/231,649.50
6. Step 6: Final answer
   x = 1,112,208.45