Finding the Third Proportional to 48,603.38 and 69,503.06

Step by Step Solution

1. Step 1: Write the proportion equation
   48,603.38 : 69,503.06 = 69,503.06 : x
2. Step 2: Convert to fraction form
   48,603.38/69,503.06 = 69,503.06/x
3. Step 3: Cross multiply
   48,603.38x = 69,503.06 × 69,503.06
4. Step 4: Simplify right side
   48,603.38x = 4,830,675,696.88
5. Step 5: Solve for x
   x = 4,830,675,696.88/48,603.38
6. Step 6: Final answer
   x = 99,389.72