Finding the Third Proportional to 623,011.50 and 976,036.50

Step by Step Solution

1. Step 1: Write the proportion equation
   623,011.50 : 976,036.50 = 976,036.50 : x
2. Step 2: Convert to fraction form
   623,011.50/976,036.50 = 976,036.50/x
3. Step 3: Cross multiply
   623,011.50x = 976,036.50 × 976,036.50
4. Step 4: Simplify right side
   623,011.50x = 952,647,249,332.25
5. Step 5: Solve for x
   x = 952,647,249,332.25/623,011.50
6. Step 6: Final answer
   x = 1,529,100.59