Finding the Third Proportional to 187,020 and 400,837.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,020 : 400,837.50 = 400,837.50 : x
2. Step 2: Convert to fraction form
   187,020/400,837.50 = 400,837.50/x
3. Step 3: Cross multiply
   187,020x = 400,837.50 × 400,837.50
4. Step 4: Simplify right side
   187,020x = 160,670,701,406.25
5. Step 5: Solve for x
   x = 160,670,701,406.25/187,020
6. Step 6: Final answer
   x = 859,109.73