Finding the Third Proportional to 34,248 and 51,139

Step by Step Solution

1. Step 1: Write the proportion equation
   34,248 : 51,139 = 51,139 : x
2. Step 2: Convert to fraction form
   34,248/51,139 = 51,139/x
3. Step 3: Cross multiply
   34,248x = 51,139 × 51,139
4. Step 4: Simplify right side
   34,248x = 2,615,197,321
5. Step 5: Solve for x
   x = 2,615,197,321/34,248
6. Step 6: Final answer
   x = 76,360.59