Finding the Third Proportional to 66,598.50 and 141,672

Step by Step Solution

1. Step 1: Write the proportion equation
   66,598.50 : 141,672 = 141,672 : x
2. Step 2: Convert to fraction form
   66,598.50/141,672 = 141,672/x
3. Step 3: Cross multiply
   66,598.50x = 141,672 × 141,672
4. Step 4: Simplify right side
   66,598.50x = 20,070,955,584
5. Step 5: Solve for x
   x = 20,070,955,584/66,598.50
6. Step 6: Final answer
   x = 301,372.49