Finding the Third Proportional to 76,443.19 and 112,417.88

Step by Step Solution

1. Step 1: Write the proportion equation
   76,443.19 : 112,417.88 = 112,417.88 : x
2. Step 2: Convert to fraction form
   76,443.19/112,417.88 = 112,417.88/x
3. Step 3: Cross multiply
   76,443.19x = 112,417.88 × 112,417.88
4. Step 4: Simplify right side
   76,443.19x = 12,637,778,619.52
5. Step 5: Solve for x
   x = 12,637,778,619.52/76,443.19
6. Step 6: Final answer
   x = 165,322.50