Finding the Third Proportional to 29,129.63 and 42,730.88

Step by Step Solution

1. Step 1: Write the proportion equation
   29,129.63 : 42,730.88 = 42,730.88 : x
2. Step 2: Convert to fraction form
   29,129.63/42,730.88 = 42,730.88/x
3. Step 3: Cross multiply
   29,129.63x = 42,730.88 × 42,730.88
4. Step 4: Simplify right side
   29,129.63x = 1,825,927,678.27
5. Step 5: Solve for x
   x = 1,825,927,678.27/29,129.63
6. Step 6: Final answer
   x = 62,682.84