Finding the Third Proportional to 812,076 and 1,191,570

Step by Step Solution

1. Step 1: Write the proportion equation
   812,076 : 1,191,570 = 1,191,570 : x
2. Step 2: Convert to fraction form
   812,076/1,191,570 = 1,191,570/x
3. Step 3: Cross multiply
   812,076x = 1,191,570 × 1,191,570
4. Step 4: Simplify right side
   812,076x = 1,419,839,064,900
5. Step 5: Solve for x
   x = 1,419,839,064,900/812,076
6. Step 6: Final answer
   x = 1,748,406.63