Finding the Third Proportional to 42,758.63 and 91,053.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,758.63 : 91,053.75 = 91,053.75 : x
2. Step 2: Convert to fraction form
   42,758.63/91,053.75 = 91,053.75/x
3. Step 3: Cross multiply
   42,758.63x = 91,053.75 × 91,053.75
4. Step 4: Simplify right side
   42,758.63x = 8,290,785,389.06
5. Step 5: Solve for x
   x = 8,290,785,389.06/42,758.63
6. Step 6: Final answer
   x = 193,897.38