Finding the Third Proportional to 1,177,136 and 1,865,208

Step by Step Solution

1. Step 1: Write the proportion equation
   1,177,136 : 1,865,208 = 1,865,208 : x
2. Step 2: Convert to fraction form
   1,177,136/1,865,208 = 1,865,208/x
3. Step 3: Cross multiply
   1,177,136x = 1,865,208 × 1,865,208
4. Step 4: Simplify right side
   1,177,136x = 3,479,000,883,264
5. Step 5: Solve for x
   x = 3,479,000,883,264/1,177,136
6. Step 6: Final answer
   x = 2,955,479.13