Finding the Third Proportional to 146,154 and 314,866.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,154 : 314,866.50 = 314,866.50 : x
2. Step 2: Convert to fraction form
   146,154/314,866.50 = 314,866.50/x
3. Step 3: Cross multiply
   146,154x = 314,866.50 × 314,866.50
4. Step 4: Simplify right side
   146,154x = 99,140,912,822.25
5. Step 5: Solve for x
   x = 99,140,912,822.25/146,154
6. Step 6: Final answer
   x = 678,331.85