Finding the Third Proportional to 29,487.38 and 64,157.63

Step by Step Solution

1. Step 1: Write the proportion equation
   29,487.38 : 64,157.63 = 64,157.63 : x
2. Step 2: Convert to fraction form
   29,487.38/64,157.63 = 64,157.63/x
3. Step 3: Cross multiply
   29,487.38x = 64,157.63 × 64,157.63
4. Step 4: Simplify right side
   29,487.38x = 4,116,200,845.64
5. Step 5: Solve for x
   x = 4,116,200,845.64/29,487.38
6. Step 6: Final answer
   x = 139,591.97