Finding the Third Proportional to 156,778 and 344,769.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,778 : 344,769.50 = 344,769.50 : x
2. Step 2: Convert to fraction form
   156,778/344,769.50 = 344,769.50/x
3. Step 3: Cross multiply
   156,778x = 344,769.50 × 344,769.50
4. Step 4: Simplify right side
   156,778x = 118,866,008,130.25
5. Step 5: Solve for x
   x = 118,866,008,130.25/156,778
6. Step 6: Final answer
   x = 758,180.41