Finding the Third Proportional to 615,667.50 and 921,024

Step by Step Solution

1. Step 1: Write the proportion equation
   615,667.50 : 921,024 = 921,024 : x
2. Step 2: Convert to fraction form
   615,667.50/921,024 = 921,024/x
3. Step 3: Cross multiply
   615,667.50x = 921,024 × 921,024
4. Step 4: Simplify right side
   615,667.50x = 848,285,208,576
5. Step 5: Solve for x
   x = 848,285,208,576/615,667.50
6. Step 6: Final answer
   x = 1,377,830.09