Finding the Third Proportional to 686,656.50 and 1,495,320

Step by Step Solution

1. Step 1: Write the proportion equation
   686,656.50 : 1,495,320 = 1,495,320 : x
2. Step 2: Convert to fraction form
   686,656.50/1,495,320 = 1,495,320/x
3. Step 3: Cross multiply
   686,656.50x = 1,495,320 × 1,495,320
4. Step 4: Simplify right side
   686,656.50x = 2,235,981,902,400
5. Step 5: Solve for x
   x = 2,235,981,902,400/686,656.50
6. Step 6: Final answer
   x = 3,256,332.54