Finding the Third Proportional to 420,093 and 921,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   420,093 : 921,820.50 = 921,820.50 : x
2. Step 2: Convert to fraction form
   420,093/921,820.50 = 921,820.50/x
3. Step 3: Cross multiply
   420,093x = 921,820.50 × 921,820.50
4. Step 4: Simplify right side
   420,093x = 849,753,034,220.25
5. Step 5: Solve for x
   x = 849,753,034,220.25/420,093
6. Step 6: Final answer
   x = 2,022,773.61