Finding the Third Proportional to 817,089,892 and 1,222,739,862

Step by Step Solution

1. Step 1: Write the proportion equation
   817,089,892 : 1,222,739,862 = 1,222,739,862 : x
2. Step 2: Convert to fraction form
   817,089,892/1,222,739,862 = 1,222,739,862/x
3. Step 3: Cross multiply
   817,089,892x = 1,222,739,862 × 1,222,739,862
4. Step 4: Simplify right side
   817,089,892x = 1,495,092,770,123,779,072
5. Step 5: Solve for x
   x = 1,495,092,770,123,779,072/817,089,892
6. Step 6: Final answer
   x = 1,829,777,585.99