Finding the Third Proportional to 70,434 and 156,614.63

Step by Step Solution

1. Step 1: Write the proportion equation
   70,434 : 156,614.63 = 156,614.63 : x
2. Step 2: Convert to fraction form
   70,434/156,614.63 = 156,614.63/x
3. Step 3: Cross multiply
   70,434x = 156,614.63 × 156,614.63
4. Step 4: Simplify right side
   70,434x = 24,528,140,763.89
5. Step 5: Solve for x
   x = 24,528,140,763.89/70,434
6. Step 6: Final answer
   x = 348,242.90