Finding the Third Proportional to 37,428 and 56,530.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,428 : 56,530.50 = 56,530.50 : x
2. Step 2: Convert to fraction form
   37,428/56,530.50 = 56,530.50/x
3. Step 3: Cross multiply
   37,428x = 56,530.50 × 56,530.50
4. Step 4: Simplify right side
   37,428x = 3,195,697,430.25
5. Step 5: Solve for x
   x = 3,195,697,430.25/37,428
6. Step 6: Final answer
   x = 85,382.53