Finding the Third Proportional to 34,131 and 70,987.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,131 : 70,987.50 = 70,987.50 : x
2. Step 2: Convert to fraction form
   34,131/70,987.50 = 70,987.50/x
3. Step 3: Cross multiply
   34,131x = 70,987.50 × 70,987.50
4. Step 4: Simplify right side
   34,131x = 5,039,225,156.25
5. Step 5: Solve for x
   x = 5,039,225,156.25/34,131
6. Step 6: Final answer
   x = 147,643.64