Finding the Third Proportional to 147,906 and 211,487.63

Step by Step Solution

1. Step 1: Write the proportion equation
   147,906 : 211,487.63 = 211,487.63 : x
2. Step 2: Convert to fraction form
   147,906/211,487.63 = 211,487.63/x
3. Step 3: Cross multiply
   147,906x = 211,487.63 × 211,487.63
4. Step 4: Simplify right side
   147,906x = 44,727,015,528.14
5. Step 5: Solve for x
   x = 44,727,015,528.14/147,906
6. Step 6: Final answer
   x = 302,401.63