Finding the Third Proportional to 856,316 and 1,333,488

Step by Step Solution

1. Step 1: Write the proportion equation
   856,316 : 1,333,488 = 1,333,488 : x
2. Step 2: Convert to fraction form
   856,316/1,333,488 = 1,333,488/x
3. Step 3: Cross multiply
   856,316x = 1,333,488 × 1,333,488
4. Step 4: Simplify right side
   856,316x = 1,778,190,246,144
5. Step 5: Solve for x
   x = 1,778,190,246,144/856,316
6. Step 6: Final answer
   x = 2,076,558.47