Finding the Third Proportional to 147,950 and 216,387.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,950 : 216,387.50 = 216,387.50 : x
2. Step 2: Convert to fraction form
   147,950/216,387.50 = 216,387.50/x
3. Step 3: Cross multiply
   147,950x = 216,387.50 × 216,387.50
4. Step 4: Simplify right side
   147,950x = 46,823,550,156.25
5. Step 5: Solve for x
   x = 46,823,550,156.25/147,950
6. Step 6: Final answer
   x = 316,482.26