Finding the Third Proportional to 686,707.50 and 1,495,428

Step by Step Solution

1. Step 1: Write the proportion equation
   686,707.50 : 1,495,428 = 1,495,428 : x
2. Step 2: Convert to fraction form
   686,707.50/1,495,428 = 1,495,428/x
3. Step 3: Cross multiply
   686,707.50x = 1,495,428 × 1,495,428
4. Step 4: Simplify right side
   686,707.50x = 2,236,304,903,184
5. Step 5: Solve for x
   x = 2,236,304,903,184/686,707.50
6. Step 6: Final answer
   x = 3,256,561.06