Finding the Third Proportional to 1,222,188 and 2,631,624

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222,188 : 2,631,624 = 2,631,624 : x
2. Step 2: Convert to fraction form
   1,222,188/2,631,624 = 2,631,624/x
3. Step 3: Cross multiply
   1,222,188x = 2,631,624 × 2,631,624
4. Step 4: Simplify right side
   1,222,188x = 6,925,444,877,376
5. Step 5: Solve for x
   x = 6,925,444,877,376/1,222,188
6. Step 6: Final answer
   x = 5,666,431.74