Finding the Third Proportional to 77,112 and 156,370.50

Step by Step Solution

1. Step 1: Write the proportion equation
   77,112 : 156,370.50 = 156,370.50 : x
2. Step 2: Convert to fraction form
   77,112/156,370.50 = 156,370.50/x
3. Step 3: Cross multiply
   77,112x = 156,370.50 × 156,370.50
4. Step 4: Simplify right side
   77,112x = 24,451,733,270.25
5. Step 5: Solve for x
   x = 24,451,733,270.25/77,112
6. Step 6: Final answer
   x = 317,093.75