Finding the Third Proportional to 358,762.50 and 761,256

Step by Step Solution

1. Step 1: Write the proportion equation
   358,762.50 : 761,256 = 761,256 : x
2. Step 2: Convert to fraction form
   358,762.50/761,256 = 761,256/x
3. Step 3: Cross multiply
   358,762.50x = 761,256 × 761,256
4. Step 4: Simplify right side
   358,762.50x = 579,510,697,536
5. Step 5: Solve for x
   x = 579,510,697,536/358,762.50
6. Step 6: Final answer
   x = 1,615,304.55