Finding the Third Proportional to 62,672 and 90,550

Step by Step Solution

1. Step 1: Write the proportion equation
   62,672 : 90,550 = 90,550 : x
2. Step 2: Convert to fraction form
   62,672/90,550 = 90,550/x
3. Step 3: Cross multiply
   62,672x = 90,550 × 90,550
4. Step 4: Simplify right side
   62,672x = 8,199,302,500
5. Step 5: Solve for x
   x = 8,199,302,500/62,672
6. Step 6: Final answer
   x = 130,828.80