Finding the Third Proportional to 147,069 and 207,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,069 : 207,103.50 = 207,103.50 : x
2. Step 2: Convert to fraction form
   147,069/207,103.50 = 207,103.50/x
3. Step 3: Cross multiply
   147,069x = 207,103.50 × 207,103.50
4. Step 4: Simplify right side
   147,069x = 42,891,859,712.25
5. Step 5: Solve for x
   x = 42,891,859,712.25/147,069
6. Step 6: Final answer
   x = 291,644.46