Finding the Third Proportional to 58,545 and 138,154.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,545 : 138,154.50 = 138,154.50 : x
2. Step 2: Convert to fraction form
   58,545/138,154.50 = 138,154.50/x
3. Step 3: Cross multiply
   58,545x = 138,154.50 × 138,154.50
4. Step 4: Simplify right side
   58,545x = 19,086,665,870.25
5. Step 5: Solve for x
   x = 19,086,665,870.25/58,545
6. Step 6: Final answer
   x = 326,017.01