Finding the Third Proportional to 34,702.13 and 72,029.75

Step by Step Solution

1. Step 1: Write the proportion equation
   34,702.13 : 72,029.75 = 72,029.75 : x
2. Step 2: Convert to fraction form
   34,702.13/72,029.75 = 72,029.75/x
3. Step 3: Cross multiply
   34,702.13x = 72,029.75 × 72,029.75
4. Step 4: Simplify right side
   34,702.13x = 5,188,284,885.06
5. Step 5: Solve for x
   x = 5,188,284,885.06/34,702.13
6. Step 6: Final answer
   x = 149,509.14