Finding the Third Proportional to 37,815 and 56,710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,815 : 56,710.50 = 56,710.50 : x
2. Step 2: Convert to fraction form
   37,815/56,710.50 = 56,710.50/x
3. Step 3: Cross multiply
   37,815x = 56,710.50 × 56,710.50
4. Step 4: Simplify right side
   37,815x = 3,216,080,810.25
5. Step 5: Solve for x
   x = 3,216,080,810.25/37,815
6. Step 6: Final answer
   x = 85,047.75