Finding the Third Proportional to 215,604 and 453,553.50

Step by Step Solution

1. Step 1: Write the proportion equation
   215,604 : 453,553.50 = 453,553.50 : x
2. Step 2: Convert to fraction form
   215,604/453,553.50 = 453,553.50/x
3. Step 3: Cross multiply
   215,604x = 453,553.50 × 453,553.50
4. Step 4: Simplify right side
   215,604x = 205,710,777,362.25
5. Step 5: Solve for x
   x = 205,710,777,362.25/215,604
6. Step 6: Final answer
   x = 954,113.92