Finding the Third Proportional to 742,274 and 1,152,219

Step by Step Solution

1. Step 1: Write the proportion equation
   742,274 : 1,152,219 = 1,152,219 : x
2. Step 2: Convert to fraction form
   742,274/1,152,219 = 1,152,219/x
3. Step 3: Cross multiply
   742,274x = 1,152,219 × 1,152,219
4. Step 4: Simplify right side
   742,274x = 1,327,608,623,961
5. Step 5: Solve for x
   x = 1,327,608,623,961/742,274
6. Step 6: Final answer
   x = 1,788,569.48