Finding the Third Proportional to 72,264.50 and 102,709.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,264.50 : 102,709.25 = 102,709.25 : x
2. Step 2: Convert to fraction form
   72,264.50/102,709.25 = 102,709.25/x
3. Step 3: Cross multiply
   72,264.50x = 102,709.25 × 102,709.25
4. Step 4: Simplify right side
   72,264.50x = 10,549,190,035.56
5. Step 5: Solve for x
   x = 10,549,190,035.56/72,264.50
6. Step 6: Final answer
   x = 145,980.25