Finding the Third Proportional to 118,464 and 279,652.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,464 : 279,652.50 = 279,652.50 : x
2. Step 2: Convert to fraction form
   118,464/279,652.50 = 279,652.50/x
3. Step 3: Cross multiply
   118,464x = 279,652.50 × 279,652.50
4. Step 4: Simplify right side
   118,464x = 78,205,520,756.25
5. Step 5: Solve for x
   x = 78,205,520,756.25/118,464
6. Step 6: Final answer
   x = 660,162.76