Finding the Third Proportional to 58,937.63 and 90,306.56

Step by Step Solution

1. Step 1: Write the proportion equation
   58,937.63 : 90,306.56 = 90,306.56 : x
2. Step 2: Convert to fraction form
   58,937.63/90,306.56 = 90,306.56/x
3. Step 3: Cross multiply
   58,937.63x = 90,306.56 × 90,306.56
4. Step 4: Simplify right side
   58,937.63x = 8,155,275,230.57
5. Step 5: Solve for x
   x = 8,155,275,230.57/58,937.63
6. Step 6: Final answer
   x = 138,371.29