Finding the Third Proportional to 70,485 and 103,780.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,485 : 103,780.50 = 103,780.50 : x
2. Step 2: Convert to fraction form
   70,485/103,780.50 = 103,780.50/x
3. Step 3: Cross multiply
   70,485x = 103,780.50 × 103,780.50
4. Step 4: Simplify right side
   70,485x = 10,770,392,180.25
5. Step 5: Solve for x
   x = 10,770,392,180.25/70,485
6. Step 6: Final answer
   x = 152,804.03