Finding the Third Proportional to 160,830 and 354,730.50

Step by Step Solution

1. Step 1: Write the proportion equation
   160,830 : 354,730.50 = 354,730.50 : x
2. Step 2: Convert to fraction form
   160,830/354,730.50 = 354,730.50/x
3. Step 3: Cross multiply
   160,830x = 354,730.50 × 354,730.50
4. Step 4: Simplify right side
   160,830x = 125,833,727,630.25
5. Step 5: Solve for x
   x = 125,833,727,630.25/160,830
6. Step 6: Final answer
   x = 782,402.09