Finding the Third Proportional to 686,545 and 1,495,140

Step by Step Solution

1. Step 1: Write the proportion equation
   686,545 : 1,495,140 = 1,495,140 : x
2. Step 2: Convert to fraction form
   686,545/1,495,140 = 1,495,140/x
3. Step 3: Cross multiply
   686,545x = 1,495,140 × 1,495,140
4. Step 4: Simplify right side
   686,545x = 2,235,443,619,600
5. Step 5: Solve for x
   x = 2,235,443,619,600/686,545
6. Step 6: Final answer
   x = 3,256,077.34