Finding the Third Proportional to 1,676,478,729 and 3,526,691,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,676,478,729 : 3,526,691,280 = 3,526,691,280 : x
2. Step 2: Convert to fraction form
   1,676,478,729/3,526,691,280 = 3,526,691,280/x
3. Step 3: Cross multiply
   1,676,478,729x = 3,526,691,280 × 3,526,691,280
4. Step 4: Simplify right side
   1,676,478,729x = 12,437,551,384,428,038,144
5. Step 5: Solve for x
   x = 12,437,551,384,428,038,144/1,676,478,729
6. Step 6: Final answer
   x = 7,418,854,274.31