Finding the Third Proportional to 812,068 and 1,191,558

Step by Step Solution

1. Step 1: Write the proportion equation
   812,068 : 1,191,558 = 1,191,558 : x
2. Step 2: Convert to fraction form
   812,068/1,191,558 = 1,191,558/x
3. Step 3: Cross multiply
   812,068x = 1,191,558 × 1,191,558
4. Step 4: Simplify right side
   812,068x = 1,419,810,467,364
5. Step 5: Solve for x
   x = 1,419,810,467,364/812,068
6. Step 6: Final answer
   x = 1,748,388.64