Finding the Third Proportional to 160,139 and 370,683.50

Step by Step Solution

1. Step 1: Write the proportion equation
   160,139 : 370,683.50 = 370,683.50 : x
2. Step 2: Convert to fraction form
   160,139/370,683.50 = 370,683.50/x
3. Step 3: Cross multiply
   160,139x = 370,683.50 × 370,683.50
4. Step 4: Simplify right side
   160,139x = 137,406,257,172.25
5. Step 5: Solve for x
   x = 137,406,257,172.25/160,139
6. Step 6: Final answer
   x = 858,043.68