Finding the Third Proportional to 32,312.25 and 70,638.75

Step by Step Solution

1. Step 1: Write the proportion equation
   32,312.25 : 70,638.75 = 70,638.75 : x
2. Step 2: Convert to fraction form
   32,312.25/70,638.75 = 70,638.75/x
3. Step 3: Cross multiply
   32,312.25x = 70,638.75 × 70,638.75
4. Step 4: Simplify right side
   32,312.25x = 4,989,833,001.56
5. Step 5: Solve for x
   x = 4,989,833,001.56/32,312.25
6. Step 6: Final answer
   x = 154,425.43