Finding the Third Proportional to 59,302.13 and 78,382.69

Step by Step Solution

1. Step 1: Write the proportion equation
   59,302.13 : 78,382.69 = 78,382.69 : x
2. Step 2: Convert to fraction form
   59,302.13/78,382.69 = 78,382.69/x
3. Step 3: Cross multiply
   59,302.13x = 78,382.69 × 78,382.69
4. Step 4: Simplify right side
   59,302.13x = 6,143,845,699.72
5. Step 5: Solve for x
   x = 6,143,845,699.72/59,302.13
6. Step 6: Final answer
   x = 103,602.45