Finding the Third Proportional to 69,692.63 and 99,339.75

Step by Step Solution

1. Step 1: Write the proportion equation
   69,692.63 : 99,339.75 = 99,339.75 : x
2. Step 2: Convert to fraction form
   69,692.63/99,339.75 = 99,339.75/x
3. Step 3: Cross multiply
   69,692.63x = 99,339.75 × 99,339.75
4. Step 4: Simplify right side
   69,692.63x = 9,868,385,930.06
5. Step 5: Solve for x
   x = 9,868,385,930.06/69,692.63
6. Step 6: Final answer
   x = 141,598.71