Finding the Third Proportional to 79,218 and 176,148.56

Step by Step Solution

1. Step 1: Write the proportion equation
   79,218 : 176,148.56 = 176,148.56 : x
2. Step 2: Convert to fraction form
   79,218/176,148.56 = 176,148.56/x
3. Step 3: Cross multiply
   79,218x = 176,148.56 × 176,148.56
4. Step 4: Simplify right side
   79,218x = 31,028,316,070.82
5. Step 5: Solve for x
   x = 31,028,316,070.82/79,218
6. Step 6: Final answer
   x = 391,682.65