Finding the Third Proportional to 815,608,038 and 1,208,123,084

Step by Step Solution

1. Step 1: Write the proportion equation
   815,608,038 : 1,208,123,084 = 1,208,123,084 : x
2. Step 2: Convert to fraction form
   815,608,038/1,208,123,084 = 1,208,123,084/x
3. Step 3: Cross multiply
   815,608,038x = 1,208,123,084 × 1,208,123,084
4. Step 4: Simplify right side
   815,608,038x = 1,459,561,386,093,671,168
5. Step 5: Solve for x
   x = 1,459,561,386,093,671,168/815,608,038
6. Step 6: Final answer
   x = 1,789,537,765.80