Finding the Third Proportional to 29,409.75 and 69,415.88

Step by Step Solution

1. Step 1: Write the proportion equation
   29,409.75 : 69,415.88 = 69,415.88 : x
2. Step 2: Convert to fraction form
   29,409.75/69,415.88 = 69,415.88/x
3. Step 3: Cross multiply
   29,409.75x = 69,415.88 × 69,415.88
4. Step 4: Simplify right side
   29,409.75x = 4,818,563,702.02
5. Step 5: Solve for x
   x = 4,818,563,702.02/29,409.75
6. Step 6: Final answer
   x = 163,842.39