Finding the Third Proportional to 570,312 and 1,249,488

Step by Step Solution

1. Step 1: Write the proportion equation
   570,312 : 1,249,488 = 1,249,488 : x
2. Step 2: Convert to fraction form
   570,312/1,249,488 = 1,249,488/x
3. Step 3: Cross multiply
   570,312x = 1,249,488 × 1,249,488
4. Step 4: Simplify right side
   570,312x = 1,561,220,262,144
5. Step 5: Solve for x
   x = 1,561,220,262,144/570,312
6. Step 6: Final answer
   x = 2,737,484.50