Finding the Third Proportional to 138,271.50 and 301,572

Step by Step Solution

1. Step 1: Write the proportion equation
   138,271.50 : 301,572 = 301,572 : x
2. Step 2: Convert to fraction form
   138,271.50/301,572 = 301,572/x
3. Step 3: Cross multiply
   138,271.50x = 301,572 × 301,572
4. Step 4: Simplify right side
   138,271.50x = 90,945,671,184
5. Step 5: Solve for x
   x = 90,945,671,184/138,271.50
6. Step 6: Final answer
   x = 657,732.59