Finding the Third Proportional to 29,380.50 and 64,080.56

Step by Step Solution

1. Step 1: Write the proportion equation
   29,380.50 : 64,080.56 = 64,080.56 : x
2. Step 2: Convert to fraction form
   29,380.50/64,080.56 = 64,080.56/x
3. Step 3: Cross multiply
   29,380.50x = 64,080.56 × 64,080.56
4. Step 4: Simplify right side
   29,380.50x = 4,106,318,490.32
5. Step 5: Solve for x
   x = 4,106,318,490.32/29,380.50
6. Step 6: Final answer
   x = 139,763.40