Finding the Third Proportional to 148,354.50 and 321,333

Step by Step Solution

1. Step 1: Write the proportion equation
   148,354.50 : 321,333 = 321,333 : x
2. Step 2: Convert to fraction form
   148,354.50/321,333 = 321,333/x
3. Step 3: Cross multiply
   148,354.50x = 321,333 × 321,333
4. Step 4: Simplify right side
   148,354.50x = 103,254,896,889
5. Step 5: Solve for x
   x = 103,254,896,889/148,354.50
6. Step 6: Final answer
   x = 696,001.11