Finding the Third Proportional to 69,331.50 and 99,075.38

Step by Step Solution

1. Step 1: Write the proportion equation
   69,331.50 : 99,075.38 = 99,075.38 : x
2. Step 2: Convert to fraction form
   69,331.50/99,075.38 = 99,075.38/x
3. Step 3: Cross multiply
   69,331.50x = 99,075.38 × 99,075.38
4. Step 4: Simplify right side
   69,331.50x = 9,815,929,931.39
5. Step 5: Solve for x
   x = 9,815,929,931.39/69,331.50
6. Step 6: Final answer
   x = 141,579.66