Finding the Third Proportional to 453,429 and 989,749.50

Step by Step Solution

1. Step 1: Write the proportion equation
   453,429 : 989,749.50 = 989,749.50 : x
2. Step 2: Convert to fraction form
   453,429/989,749.50 = 989,749.50/x
3. Step 3: Cross multiply
   453,429x = 989,749.50 × 989,749.50
4. Step 4: Simplify right side
   453,429x = 979,604,072,750.25
5. Step 5: Solve for x
   x = 979,604,072,750.25/453,429
6. Step 6: Final answer
   x = 2,160,435.42