Finding the Third Proportional to 129,603 and 194,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   129,603 : 194,404.50 = 194,404.50 : x
2. Step 2: Convert to fraction form
   129,603/194,404.50 = 194,404.50/x
3. Step 3: Cross multiply
   129,603x = 194,404.50 × 194,404.50
4. Step 4: Simplify right side
   129,603x = 37,793,109,620.25
5. Step 5: Solve for x
   x = 37,793,109,620.25/129,603
6. Step 6: Final answer
   x = 291,606.75