Finding the Third Proportional to 194,749.31 and 308,113.88

Step by Step Solution

1. Step 1: Write the proportion equation
   194,749.31 : 308,113.88 = 308,113.88 : x
2. Step 2: Convert to fraction form
   194,749.31/308,113.88 = 308,113.88/x
3. Step 3: Cross multiply
   194,749.31x = 308,113.88 × 308,113.88
4. Step 4: Simplify right side
   194,749.31x = 94,934,159,967.52
5. Step 5: Solve for x
   x = 94,934,159,967.52/194,749.31
6. Step 6: Final answer
   x = 487,468.52