Finding the Third Proportional to 45,389.50 and 99,736.63

Step by Step Solution

1. Step 1: Write the proportion equation
   45,389.50 : 99,736.63 = 99,736.63 : x
2. Step 2: Convert to fraction form
   45,389.50/99,736.63 = 99,736.63/x
3. Step 3: Cross multiply
   45,389.50x = 99,736.63 × 99,736.63
4. Step 4: Simplify right side
   45,389.50x = 9,947,394,366.39
5. Step 5: Solve for x
   x = 9,947,394,366.39/45,389.50
6. Step 6: Final answer
   x = 219,156.29