Finding the Third Proportional to 51,412.50 and 70,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,412.50 : 70,039.50 = 70,039.50 : x
2. Step 2: Convert to fraction form
   51,412.50/70,039.50 = 70,039.50/x
3. Step 3: Cross multiply
   51,412.50x = 70,039.50 × 70,039.50
4. Step 4: Simplify right side
   51,412.50x = 4,905,531,560.25
5. Step 5: Solve for x
   x = 4,905,531,560.25/51,412.50
6. Step 6: Final answer
   x = 95,415.15