Finding the Third Proportional to 150,916.50 and 314,253

Step by Step Solution

1. Step 1: Write the proportion equation
   150,916.50 : 314,253 = 314,253 : x
2. Step 2: Convert to fraction form
   150,916.50/314,253 = 314,253/x
3. Step 3: Cross multiply
   150,916.50x = 314,253 × 314,253
4. Step 4: Simplify right side
   150,916.50x = 98,754,948,009
5. Step 5: Solve for x
   x = 98,754,948,009/150,916.50
6. Step 6: Final answer
   x = 654,368.13