Finding the Third Proportional to 1,197,126 and 1,615,140

Step by Step Solution

1. Step 1: Write the proportion equation
   1,197,126 : 1,615,140 = 1,615,140 : x
2. Step 2: Convert to fraction form
   1,197,126/1,615,140 = 1,615,140/x
3. Step 3: Cross multiply
   1,197,126x = 1,615,140 × 1,615,140
4. Step 4: Simplify right side
   1,197,126x = 2,608,677,219,600
5. Step 5: Solve for x
   x = 2,608,677,219,600/1,197,126
6. Step 6: Final answer
   x = 2,179,116.67