Finding the Third Proportional to 58,420.50 and 83,256

Step by Step Solution

1. Step 1: Write the proportion equation
   58,420.50 : 83,256 = 83,256 : x
2. Step 2: Convert to fraction form
   58,420.50/83,256 = 83,256/x
3. Step 3: Cross multiply
   58,420.50x = 83,256 × 83,256
4. Step 4: Simplify right side
   58,420.50x = 6,931,561,536
5. Step 5: Solve for x
   x = 6,931,561,536/58,420.50
6. Step 6: Final answer
   x = 118,649.47