Finding the Third Proportional to 1,205,140 and 2,510,156

Step by Step Solution

1. Step 1: Write the proportion equation
   1,205,140 : 2,510,156 = 2,510,156 : x
2. Step 2: Convert to fraction form
   1,205,140/2,510,156 = 2,510,156/x
3. Step 3: Cross multiply
   1,205,140x = 2,510,156 × 2,510,156
4. Step 4: Simplify right side
   1,205,140x = 6,300,883,144,336
5. Step 5: Solve for x
   x = 6,300,883,144,336/1,205,140
6. Step 6: Final answer
   x = 5,228,341.23