Finding the Third Proportional to 689,844 and 1,030,516

Step by Step Solution

1. Step 1: Write the proportion equation
   689,844 : 1,030,516 = 1,030,516 : x
2. Step 2: Convert to fraction form
   689,844/1,030,516 = 1,030,516/x
3. Step 3: Cross multiply
   689,844x = 1,030,516 × 1,030,516
4. Step 4: Simplify right side
   689,844x = 1,061,963,226,256
5. Step 5: Solve for x
   x = 1,061,963,226,256/689,844
6. Step 6: Final answer
   x = 1,539,425.18