Finding the Third Proportional to 146,157 and 314,872.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,157 : 314,872.50 = 314,872.50 : x
2. Step 2: Convert to fraction form
   146,157/314,872.50 = 314,872.50/x
3. Step 3: Cross multiply
   146,157x = 314,872.50 × 314,872.50
4. Step 4: Simplify right side
   146,157x = 99,144,691,256.25
5. Step 5: Solve for x
   x = 99,144,691,256.25/146,157
6. Step 6: Final answer
   x = 678,343.78