Finding the Third Proportional to 159,988.50 and 370,386

Step by Step Solution

1. Step 1: Write the proportion equation
   159,988.50 : 370,386 = 370,386 : x
2. Step 2: Convert to fraction form
   159,988.50/370,386 = 370,386/x
3. Step 3: Cross multiply
   159,988.50x = 370,386 × 370,386
4. Step 4: Simplify right side
   159,988.50x = 137,185,788,996
5. Step 5: Solve for x
   x = 137,185,788,996/159,988.50
6. Step 6: Final answer
   x = 857,472.81