Finding the Third Proportional to 915,810 and 1,346,274

Step by Step Solution

1. Step 1: Write the proportion equation
   915,810 : 1,346,274 = 1,346,274 : x
2. Step 2: Convert to fraction form
   915,810/1,346,274 = 1,346,274/x
3. Step 3: Cross multiply
   915,810x = 1,346,274 × 1,346,274
4. Step 4: Simplify right side
   915,810x = 1,812,453,683,076
5. Step 5: Solve for x
   x = 1,812,453,683,076/915,810
6. Step 6: Final answer
   x = 1,979,071.73