Finding the Third Proportional to 148,168.88 and 320,030.25

Step by Step Solution

1. Step 1: Write the proportion equation
   148,168.88 : 320,030.25 = 320,030.25 : x
2. Step 2: Convert to fraction form
   148,168.88/320,030.25 = 320,030.25/x
3. Step 3: Cross multiply
   148,168.88x = 320,030.25 × 320,030.25
4. Step 4: Simplify right side
   148,168.88x = 102,419,360,915.06
5. Step 5: Solve for x
   x = 102,419,360,915.06/148,168.88
6. Step 6: Final answer
   x = 691,233.98