Finding the Third Proportional to 187,300.50 and 407,862

Step by Step Solution

1. Step 1: Write the proportion equation
   187,300.50 : 407,862 = 407,862 : x
2. Step 2: Convert to fraction form
   187,300.50/407,862 = 407,862/x
3. Step 3: Cross multiply
   187,300.50x = 407,862 × 407,862
4. Step 4: Simplify right side
   187,300.50x = 166,351,411,044
5. Step 5: Solve for x
   x = 166,351,411,044/187,300.50
6. Step 6: Final answer
   x = 888,152.52