Finding the Third Proportional to 860,323 and 1,331,490

Step by Step Solution

1. Step 1: Write the proportion equation
   860,323 : 1,331,490 = 1,331,490 : x
2. Step 2: Convert to fraction form
   860,323/1,331,490 = 1,331,490/x
3. Step 3: Cross multiply
   860,323x = 1,331,490 × 1,331,490
4. Step 4: Simplify right side
   860,323x = 1,772,865,620,100
5. Step 5: Solve for x
   x = 1,772,865,620,100/860,323
6. Step 6: Final answer
   x = 2,060,697.69