Finding the Third Proportional to 154,572 and 325,749.38

Step by Step Solution

1. Step 1: Write the proportion equation
   154,572 : 325,749.38 = 325,749.38 : x
2. Step 2: Convert to fraction form
   154,572/325,749.38 = 325,749.38/x
3. Step 3: Cross multiply
   154,572x = 325,749.38 × 325,749.38
4. Step 4: Simplify right side
   154,572x = 106,112,655,312.89
5. Step 5: Solve for x
   x = 106,112,655,312.89/154,572
6. Step 6: Final answer
   x = 686,493.38