Finding the Third Proportional to 56,914 and 81,987.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,914 : 81,987.50 = 81,987.50 : x
2. Step 2: Convert to fraction form
   56,914/81,987.50 = 81,987.50/x
3. Step 3: Cross multiply
   56,914x = 81,987.50 × 81,987.50
4. Step 4: Simplify right side
   56,914x = 6,721,950,156.25
5. Step 5: Solve for x
   x = 6,721,950,156.25/56,914
6. Step 6: Final answer
   x = 118,107.15