Finding the Third Proportional to 453,492 and 989,878.50

Step by Step Solution

1. Step 1: Write the proportion equation
   453,492 : 989,878.50 = 989,878.50 : x
2. Step 2: Convert to fraction form
   453,492/989,878.50 = 989,878.50/x
3. Step 3: Cross multiply
   453,492x = 989,878.50 × 989,878.50
4. Step 4: Simplify right side
   453,492x = 979,859,444,762.25
5. Step 5: Solve for x
   x = 979,859,444,762.25/453,492
6. Step 6: Final answer
   x = 2,160,698.41