Finding the Third Proportional to 291,271.50 and 623,018.25

Step by Step Solution

1. Step 1: Write the proportion equation
   291,271.50 : 623,018.25 = 623,018.25 : x
2. Step 2: Convert to fraction form
   291,271.50/623,018.25 = 623,018.25/x
3. Step 3: Cross multiply
   291,271.50x = 623,018.25 × 623,018.25
4. Step 4: Simplify right side
   291,271.50x = 388,151,739,833.06
5. Step 5: Solve for x
   x = 388,151,739,833.06/291,271.50
6. Step 6: Final answer
   x = 1,332,611.46