Finding the Third Proportional to 28,978.88 and 63,493.88

Step by Step Solution

1. Step 1: Write the proportion equation
   28,978.88 : 63,493.88 = 63,493.88 : x
2. Step 2: Convert to fraction form
   28,978.88/63,493.88 = 63,493.88/x
3. Step 3: Cross multiply
   28,978.88x = 63,493.88 × 63,493.88
4. Step 4: Simplify right side
   28,978.88x = 4,031,472,162.52
5. Step 5: Solve for x
   x = 4,031,472,162.52/28,978.88
6. Step 6: Final answer
   x = 139,117.62