Finding the Third Proportional to 1,018,680 and 2,136,502.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,680 : 2,136,502.50 = 2,136,502.50 : x
2. Step 2: Convert to fraction form
   1,018,680/2,136,502.50 = 2,136,502.50/x
3. Step 3: Cross multiply
   1,018,680x = 2,136,502.50 × 2,136,502.50
4. Step 4: Simplify right side
   1,018,680x = 4,564,642,932,506.25
5. Step 5: Solve for x
   x = 4,564,642,932,506.25/1,018,680
6. Step 6: Final answer
   x = 4,480,938.99