Finding the Third Proportional to 520,724 and 1,136,488

Step by Step Solution

1. Step 1: Write the proportion equation
   520,724 : 1,136,488 = 1,136,488 : x
2. Step 2: Convert to fraction form
   520,724/1,136,488 = 1,136,488/x
3. Step 3: Cross multiply
   520,724x = 1,136,488 × 1,136,488
4. Step 4: Simplify right side
   520,724x = 1,291,604,974,144
5. Step 5: Solve for x
   x = 1,291,604,974,144/520,724
6. Step 6: Final answer
   x = 2,480,402.24