Finding the Third Proportional to 156,309 and 241,888.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,309 : 241,888.50 = 241,888.50 : x
2. Step 2: Convert to fraction form
   156,309/241,888.50 = 241,888.50/x
3. Step 3: Cross multiply
   156,309x = 241,888.50 × 241,888.50
4. Step 4: Simplify right side
   156,309x = 58,510,046,432.25
5. Step 5: Solve for x
   x = 58,510,046,432.25/156,309
6. Step 6: Final answer
   x = 374,322.95