Finding the Third Proportional to 199,485 and 432,877.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,485 : 432,877.50 = 432,877.50 : x
2. Step 2: Convert to fraction form
   199,485/432,877.50 = 432,877.50/x
3. Step 3: Cross multiply
   199,485x = 432,877.50 × 432,877.50
4. Step 4: Simplify right side
   199,485x = 187,382,930,006.25
5. Step 5: Solve for x
   x = 187,382,930,006.25/199,485
6. Step 6: Final answer
   x = 939,333.43