Finding the Third Proportional to 831,060 and 1,109,160

Step by Step Solution

1. Step 1: Write the proportion equation
   831,060 : 1,109,160 = 1,109,160 : x
2. Step 2: Convert to fraction form
   831,060/1,109,160 = 1,109,160/x
3. Step 3: Cross multiply
   831,060x = 1,109,160 × 1,109,160
4. Step 4: Simplify right side
   831,060x = 1,230,235,905,600
5. Step 5: Solve for x
   x = 1,230,235,905,600/831,060
6. Step 6: Final answer
   x = 1,480,321.40