Finding the Third Proportional to 686,547 and 1,495,144

Step by Step Solution

1. Step 1: Write the proportion equation
   686,547 : 1,495,144 = 1,495,144 : x
2. Step 2: Convert to fraction form
   686,547/1,495,144 = 1,495,144/x
3. Step 3: Cross multiply
   686,547x = 1,495,144 × 1,495,144
4. Step 4: Simplify right side
   686,547x = 2,235,455,580,736
5. Step 5: Solve for x
   x = 2,235,455,580,736/686,547
6. Step 6: Final answer
   x = 3,256,085.28