Finding the Third Proportional to 146,310 and 314,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,310 : 314,443.50 = 314,443.50 : x
2. Step 2: Convert to fraction form
   146,310/314,443.50 = 314,443.50/x
3. Step 3: Cross multiply
   146,310x = 314,443.50 × 314,443.50
4. Step 4: Simplify right side
   146,310x = 98,874,714,692.25
5. Step 5: Solve for x
   x = 98,874,714,692.25/146,310
6. Step 6: Final answer
   x = 675,789.18