Finding the Third Proportional to 70,435.50 and 156,619.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,435.50 : 156,619.50 = 156,619.50 : x
2. Step 2: Convert to fraction form
   70,435.50/156,619.50 = 156,619.50/x
3. Step 3: Cross multiply
   70,435.50x = 156,619.50 × 156,619.50
4. Step 4: Simplify right side
   70,435.50x = 24,529,667,780.25
5. Step 5: Solve for x
   x = 24,529,667,780.25/70,435.50
6. Step 6: Final answer
   x = 348,257.17