Finding the Third Proportional to 60,352 and 90,123

Step by Step Solution

1. Step 1: Write the proportion equation
   60,352 : 90,123 = 90,123 : x
2. Step 2: Convert to fraction form
   60,352/90,123 = 90,123/x
3. Step 3: Cross multiply
   60,352x = 90,123 × 90,123
4. Step 4: Simplify right side
   60,352x = 8,122,155,129
5. Step 5: Solve for x
   x = 8,122,155,129/60,352
6. Step 6: Final answer
   x = 134,579.72