Finding the Third Proportional to 130,434.50 and 207,488

Step by Step Solution

1. Step 1: Write the proportion equation
   130,434.50 : 207,488 = 207,488 : x
2. Step 2: Convert to fraction form
   130,434.50/207,488 = 207,488/x
3. Step 3: Cross multiply
   130,434.50x = 207,488 × 207,488
4. Step 4: Simplify right side
   130,434.50x = 43,051,270,144
5. Step 5: Solve for x
   x = 43,051,270,144/130,434.50
6. Step 6: Final answer
   x = 330,060.45