Finding the Third Proportional to 155,539.50 and 333,111

Step by Step Solution

1. Step 1: Write the proportion equation
   155,539.50 : 333,111 = 333,111 : x
2. Step 2: Convert to fraction form
   155,539.50/333,111 = 333,111/x
3. Step 3: Cross multiply
   155,539.50x = 333,111 × 333,111
4. Step 4: Simplify right side
   155,539.50x = 110,962,938,321
5. Step 5: Solve for x
   x = 110,962,938,321/155,539.50
6. Step 6: Final answer
   x = 713,406.81