Finding the Third Proportional to 76,345.31 and 112,298.06

Step by Step Solution

1. Step 1: Write the proportion equation
   76,345.31 : 112,298.06 = 112,298.06 : x
2. Step 2: Convert to fraction form
   76,345.31/112,298.06 = 112,298.06/x
3. Step 3: Cross multiply
   76,345.31x = 112,298.06 × 112,298.06
4. Step 4: Simplify right side
   76,345.31x = 12,610,854,841.25
5. Step 5: Solve for x
   x = 12,610,854,841.25/76,345.31
6. Step 6: Final answer
   x = 165,181.78