Finding the Third Proportional to 70,878 and 102,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,878 : 102,124.50 = 102,124.50 : x
2. Step 2: Convert to fraction form
   70,878/102,124.50 = 102,124.50/x
3. Step 3: Cross multiply
   70,878x = 102,124.50 × 102,124.50
4. Step 4: Simplify right side
   70,878x = 10,429,413,500.25
5. Step 5: Solve for x
   x = 10,429,413,500.25/70,878
6. Step 6: Final answer
   x = 147,145.99