Finding the Third Proportional to 103,437 and 147,642.75

Step by Step Solution

1. Step 1: Write the proportion equation
   103,437 : 147,642.75 = 147,642.75 : x
2. Step 2: Convert to fraction form
   103,437/147,642.75 = 147,642.75/x
3. Step 3: Cross multiply
   103,437x = 147,642.75 × 147,642.75
4. Step 4: Simplify right side
   103,437x = 21,798,381,627.56
5. Step 5: Solve for x
   x = 21,798,381,627.56/103,437
6. Step 6: Final answer
   x = 210,740.66