Finding the Third Proportional to 60,945 and 91,417.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,945 : 91,417.50 = 91,417.50 : x
2. Step 2: Convert to fraction form
   60,945/91,417.50 = 91,417.50/x
3. Step 3: Cross multiply
   60,945x = 91,417.50 × 91,417.50
4. Step 4: Simplify right side
   60,945x = 8,357,159,306.25
5. Step 5: Solve for x
   x = 8,357,159,306.25/60,945
6. Step 6: Final answer
   x = 137,126.25