Finding the Third Proportional to 105,903 and 148,126.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,903 : 148,126.50 = 148,126.50 : x
2. Step 2: Convert to fraction form
   105,903/148,126.50 = 148,126.50/x
3. Step 3: Cross multiply
   105,903x = 148,126.50 × 148,126.50
4. Step 4: Simplify right side
   105,903x = 21,941,460,002.25
5. Step 5: Solve for x
   x = 21,941,460,002.25/105,903
6. Step 6: Final answer
   x = 207,184.50