Finding the Third Proportional to 131,392.50 and 272,118

Step by Step Solution

1. Step 1: Write the proportion equation
   131,392.50 : 272,118 = 272,118 : x
2. Step 2: Convert to fraction form
   131,392.50/272,118 = 272,118/x
3. Step 3: Cross multiply
   131,392.50x = 272,118 × 272,118
4. Step 4: Simplify right side
   131,392.50x = 74,048,205,924
5. Step 5: Solve for x
   x = 74,048,205,924/131,392.50
6. Step 6: Final answer
   x = 563,564.94