Finding the Third Proportional to 47,911.50 and 70,389

Step by Step Solution

1. Step 1: Write the proportion equation
   47,911.50 : 70,389 = 70,389 : x
2. Step 2: Convert to fraction form
   47,911.50/70,389 = 70,389/x
3. Step 3: Cross multiply
   47,911.50x = 70,389 × 70,389
4. Step 4: Simplify right side
   47,911.50x = 4,954,611,321
5. Step 5: Solve for x
   x = 4,954,611,321/47,911.50
6. Step 6: Final answer
   x = 103,411.73