Finding the Third Proportional to 29,899.13 and 64,091.25

Step by Step Solution

1. Step 1: Write the proportion equation
   29,899.13 : 64,091.25 = 64,091.25 : x
2. Step 2: Convert to fraction form
   29,899.13/64,091.25 = 64,091.25/x
3. Step 3: Cross multiply
   29,899.13x = 64,091.25 × 64,091.25
4. Step 4: Simplify right side
   29,899.13x = 4,107,688,326.56
5. Step 5: Solve for x
   x = 4,107,688,326.56/29,899.13
6. Step 6: Final answer
   x = 137,384.90