Finding the Third Proportional to 686,548 and 1,495,146

Step by Step Solution

1. Step 1: Write the proportion equation
   686,548 : 1,495,146 = 1,495,146 : x
2. Step 2: Convert to fraction form
   686,548/1,495,146 = 1,495,146/x
3. Step 3: Cross multiply
   686,548x = 1,495,146 × 1,495,146
4. Step 4: Simplify right side
   686,548x = 2,235,461,561,316
5. Step 5: Solve for x
   x = 2,235,461,561,316/686,548
6. Step 6: Final answer
   x = 3,256,089.25