Finding the Third Proportional to 453,432 and 989,755.50

Step by Step Solution

1. Step 1: Write the proportion equation
   453,432 : 989,755.50 = 989,755.50 : x
2. Step 2: Convert to fraction form
   453,432/989,755.50 = 989,755.50/x
3. Step 3: Cross multiply
   453,432x = 989,755.50 × 989,755.50
4. Step 4: Simplify right side
   453,432x = 979,615,949,780.25
5. Step 5: Solve for x
   x = 979,615,949,780.25/453,432
6. Step 6: Final answer
   x = 2,160,447.32