Finding the Third Proportional to 428,938.69 and 924,358.69

Step by Step Solution

1. Step 1: Write the proportion equation
   428,938.69 : 924,358.69 = 924,358.69 : x
2. Step 2: Convert to fraction form
   428,938.69/924,358.69 = 924,358.69/x
3. Step 3: Cross multiply
   428,938.69x = 924,358.69 × 924,358.69
4. Step 4: Simplify right side
   428,938.69x = 854,438,983,156.72
5. Step 5: Solve for x
   x = 854,438,983,156.72/428,938.69
6. Step 6: Final answer
   x = 1,991,983.95