Finding the Third Proportional to 38,903 and 55,051.25

Step by Step Solution

1. Step 1: Write the proportion equation
   38,903 : 55,051.25 = 55,051.25 : x
2. Step 2: Convert to fraction form
   38,903/55,051.25 = 55,051.25/x
3. Step 3: Cross multiply
   38,903x = 55,051.25 × 55,051.25
4. Step 4: Simplify right side
   38,903x = 3,030,640,126.56
5. Step 5: Solve for x
   x = 3,030,640,126.56/38,903
6. Step 6: Final answer
   x = 77,902.48