Finding the Third Proportional to 19,345.08 and 42,380.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,345.08 : 42,380.72 = 42,380.72 : x
2. Step 2: Convert to fraction form
   19,345.08/42,380.72 = 42,380.72/x
3. Step 3: Cross multiply
   19,345.08x = 42,380.72 × 42,380.72
4. Step 4: Simplify right side
   19,345.08x = 1,796,125,321.77
5. Step 5: Solve for x
   x = 1,796,125,321.77/19,345.08
6. Step 6: Final answer
   x = 92,846.63