Finding the Third Proportional to 199,645.50 and 432,513

Step by Step Solution

1. Step 1: Write the proportion equation
   199,645.50 : 432,513 = 432,513 : x
2. Step 2: Convert to fraction form
   199,645.50/432,513 = 432,513/x
3. Step 3: Cross multiply
   199,645.50x = 432,513 × 432,513
4. Step 4: Simplify right side
   199,645.50x = 187,067,495,169
5. Step 5: Solve for x
   x = 187,067,495,169/199,645.50
6. Step 6: Final answer
   x = 936,998.31