Finding the Third Proportional to 510,240 and 1,117,156

Step by Step Solution

1. Step 1: Write the proportion equation
   510,240 : 1,117,156 = 1,117,156 : x
2. Step 2: Convert to fraction form
   510,240/1,117,156 = 1,117,156/x
3. Step 3: Cross multiply
   510,240x = 1,117,156 × 1,117,156
4. Step 4: Simplify right side
   510,240x = 1,248,037,528,336
5. Step 5: Solve for x
   x = 1,248,037,528,336/510,240
6. Step 6: Final answer
   x = 2,445,981.36