Finding the Third Proportional to 689,301 and 1,034,685

Step by Step Solution

1. Step 1: Write the proportion equation
   689,301 : 1,034,685 = 1,034,685 : x
2. Step 2: Convert to fraction form
   689,301/1,034,685 = 1,034,685/x
3. Step 3: Cross multiply
   689,301x = 1,034,685 × 1,034,685
4. Step 4: Simplify right side
   689,301x = 1,070,573,049,225
5. Step 5: Solve for x
   x = 1,070,573,049,225/689,301
6. Step 6: Final answer
   x = 1,553,128.53