Finding the Third Proportional to 33,347.81 and 78,719.63

Step by Step Solution

1. Step 1: Write the proportion equation
   33,347.81 : 78,719.63 = 78,719.63 : x
2. Step 2: Convert to fraction form
   33,347.81/78,719.63 = 78,719.63/x
3. Step 3: Cross multiply
   33,347.81x = 78,719.63 × 78,719.63
4. Step 4: Simplify right side
   33,347.81x = 6,196,779,360.14
5. Step 5: Solve for x
   x = 6,196,779,360.14/33,347.81
6. Step 6: Final answer
   x = 185,822.66