Finding the Third Proportional to 153,038.50 and 331,010

Step by Step Solution

1. Step 1: Write the proportion equation
   153,038.50 : 331,010 = 331,010 : x
2. Step 2: Convert to fraction form
   153,038.50/331,010 = 331,010/x
3. Step 3: Cross multiply
   153,038.50x = 331,010 × 331,010
4. Step 4: Simplify right side
   153,038.50x = 109,567,620,100
5. Step 5: Solve for x
   x = 109,567,620,100/153,038.50
6. Step 6: Final answer
   x = 715,948.08