Finding the Third Proportional to 45,126 and 67,429

Step by Step Solution

1. Step 1: Write the proportion equation
   45,126 : 67,429 = 67,429 : x
2. Step 2: Convert to fraction form
   45,126/67,429 = 67,429/x
3. Step 3: Cross multiply
   45,126x = 67,429 × 67,429
4. Step 4: Simplify right side
   45,126x = 4,546,670,041
5. Step 5: Solve for x
   x = 4,546,670,041/45,126
6. Step 6: Final answer
   x = 100,755.00