Finding the Third Proportional to 291,304.50 and 623,085

Step by Step Solution

1. Step 1: Write the proportion equation
   291,304.50 : 623,085 = 623,085 : x
2. Step 2: Convert to fraction form
   291,304.50/623,085 = 623,085/x
3. Step 3: Cross multiply
   291,304.50x = 623,085 × 623,085
4. Step 4: Simplify right side
   291,304.50x = 388,234,917,225
5. Step 5: Solve for x
   x = 388,234,917,225/291,304.50
6. Step 6: Final answer
   x = 1,332,746.03