Finding the Third Proportional to 187,534 and 404,394.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,534 : 404,394.50 = 404,394.50 : x
2. Step 2: Convert to fraction form
   187,534/404,394.50 = 404,394.50/x
3. Step 3: Cross multiply
   187,534x = 404,394.50 × 404,394.50
4. Step 4: Simplify right side
   187,534x = 163,534,911,630.25
5. Step 5: Solve for x
   x = 163,534,911,630.25/187,534
6. Step 6: Final answer
   x = 872,028.07