Finding the Third Proportional to 150,865.88 and 314,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   150,865.88 : 314,131.50 = 314,131.50 : x
2. Step 2: Convert to fraction form
   150,865.88/314,131.50 = 314,131.50/x
3. Step 3: Cross multiply
   150,865.88x = 314,131.50 × 314,131.50
4. Step 4: Simplify right side
   150,865.88x = 98,678,599,292.25
5. Step 5: Solve for x
   x = 98,678,599,292.25/150,865.88
6. Step 6: Final answer
   x = 654,081.64