Finding the Third Proportional to 109,369 and 156,397.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,369 : 156,397.50 = 156,397.50 : x
2. Step 2: Convert to fraction form
   109,369/156,397.50 = 156,397.50/x
3. Step 3: Cross multiply
   109,369x = 156,397.50 × 156,397.50
4. Step 4: Simplify right side
   109,369x = 24,460,178,006.25
5. Step 5: Solve for x
   x = 24,460,178,006.25/109,369
6. Step 6: Final answer
   x = 223,648.18