Finding the Third Proportional to 156,969 and 348,808.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,969 : 348,808.50 = 348,808.50 : x
2. Step 2: Convert to fraction form
   156,969/348,808.50 = 348,808.50/x
3. Step 3: Cross multiply
   156,969x = 348,808.50 × 348,808.50
4. Step 4: Simplify right side
   156,969x = 121,667,369,672.25
5. Step 5: Solve for x
   x = 121,667,369,672.25/156,969
6. Step 6: Final answer
   x = 775,104.45