Finding the Third Proportional to 686,550 and 1,495,152

Step by Step Solution

1. Step 1: Write the proportion equation
   686,550 : 1,495,152 = 1,495,152 : x
2. Step 2: Convert to fraction form
   686,550/1,495,152 = 1,495,152/x
3. Step 3: Cross multiply
   686,550x = 1,495,152 × 1,495,152
4. Step 4: Simplify right side
   686,550x = 2,235,479,503,104
5. Step 5: Solve for x
   x = 2,235,479,503,104/686,550
6. Step 6: Final answer
   x = 3,256,105.90