Finding the Third Proportional to 686,554 and 1,495,160

Step by Step Solution

1. Step 1: Write the proportion equation
   686,554 : 1,495,160 = 1,495,160 : x
2. Step 2: Convert to fraction form
   686,554/1,495,160 = 1,495,160/x
3. Step 3: Cross multiply
   686,554x = 1,495,160 × 1,495,160
4. Step 4: Simplify right side
   686,554x = 2,235,503,425,600
5. Step 5: Solve for x
   x = 2,235,503,425,600/686,554
6. Step 6: Final answer
   x = 3,256,121.77