Finding the Third Proportional to 99,133.88 and 141,319.69

Step by Step Solution

1. Step 1: Write the proportion equation
   99,133.88 : 141,319.69 = 141,319.69 : x
2. Step 2: Convert to fraction form
   99,133.88/141,319.69 = 141,319.69/x
3. Step 3: Cross multiply
   99,133.88x = 141,319.69 × 141,319.69
4. Step 4: Simplify right side
   99,133.88x = 19,971,254,075.10
5. Step 5: Solve for x
   x = 19,971,254,075.10/99,133.88
6. Step 6: Final answer
   x = 201,457.41