Finding the Third Proportional to 181,002.75 and 390,058.50

Step by Step Solution

1. Step 1: Write the proportion equation
   181,002.75 : 390,058.50 = 390,058.50 : x
2. Step 2: Convert to fraction form
   181,002.75/390,058.50 = 390,058.50/x
3. Step 3: Cross multiply
   181,002.75x = 390,058.50 × 390,058.50
4. Step 4: Simplify right side
   181,002.75x = 152,145,633,422.25
5. Step 5: Solve for x
   x = 152,145,633,422.25/181,002.75
6. Step 6: Final answer
   x = 840,570.84