Finding the Third Proportional to 256,555.50 and 593,862

Step by Step Solution

1. Step 1: Write the proportion equation
   256,555.50 : 593,862 = 593,862 : x
2. Step 2: Convert to fraction form
   256,555.50/593,862 = 593,862/x
3. Step 3: Cross multiply
   256,555.50x = 593,862 × 593,862
4. Step 4: Simplify right side
   256,555.50x = 352,672,075,044
5. Step 5: Solve for x
   x = 352,672,075,044/256,555.50
6. Step 6: Final answer
   x = 1,374,642.43