Finding the Third Proportional to 29,907.50 and 64,769.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,907.50 : 64,769.50 = 64,769.50 : x
2. Step 2: Convert to fraction form
   29,907.50/64,769.50 = 64,769.50/x
3. Step 3: Cross multiply
   29,907.50x = 64,769.50 × 64,769.50
4. Step 4: Simplify right side
   29,907.50x = 4,195,088,130.25
5. Step 5: Solve for x
   x = 4,195,088,130.25/29,907.50
6. Step 6: Final answer
   x = 140,268.77