Finding the Third Proportional to 5,347.90 and 12,364.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,347.90 : 12,364.52 = 12,364.52 : x
2. Step 2: Convert to fraction form
   5,347.90/12,364.52 = 12,364.52/x
3. Step 3: Cross multiply
   5,347.90x = 12,364.52 × 12,364.52
4. Step 4: Simplify right side
   5,347.90x = 152,881,439.84
5. Step 5: Solve for x
   x = 152,881,439.84/5,347.90
6. Step 6: Final answer
   x = 28,587.20