Finding the Third Proportional to 28,970.50 and 63,475.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,970.50 : 63,475.50 = 63,475.50 : x
2. Step 2: Convert to fraction form
   28,970.50/63,475.50 = 63,475.50/x
3. Step 3: Cross multiply
   28,970.50x = 63,475.50 × 63,475.50
4. Step 4: Simplify right side
   28,970.50x = 4,029,139,100.25
5. Step 5: Solve for x
   x = 4,029,139,100.25/28,970.50
6. Step 6: Final answer
   x = 139,077.31