Finding the Third Proportional to 47,280 and 63,085.50

Step by Step Solution

1. Step 1: Write the proportion equation
   47,280 : 63,085.50 = 63,085.50 : x
2. Step 2: Convert to fraction form
   47,280/63,085.50 = 63,085.50/x
3. Step 3: Cross multiply
   47,280x = 63,085.50 × 63,085.50
4. Step 4: Simplify right side
   47,280x = 3,979,780,310.25
5. Step 5: Solve for x
   x = 3,979,780,310.25/47,280
6. Step 6: Final answer
   x = 84,174.71