Finding the Third Proportional to 147,607.31 and 234,986.63

Step by Step Solution

1. Step 1: Write the proportion equation
   147,607.31 : 234,986.63 = 234,986.63 : x
2. Step 2: Convert to fraction form
   147,607.31/234,986.63 = 234,986.63/x
3. Step 3: Cross multiply
   147,607.31x = 234,986.63 × 234,986.63
4. Step 4: Simplify right side
   147,607.31x = 55,218,713,928.89
5. Step 5: Solve for x
   x = 55,218,713,928.89/147,607.31
6. Step 6: Final answer
   x = 374,091.99