Finding the Third Proportional to 699,693,538 and 1,619,833,429

Step by Step Solution

1. Step 1: Write the proportion equation
   699,693,538 : 1,619,833,429 = 1,619,833,429 : x
2. Step 2: Convert to fraction form
   699,693,538/1,619,833,429 = 1,619,833,429/x
3. Step 3: Cross multiply
   699,693,538x = 1,619,833,429 × 1,619,833,429
4. Step 4: Simplify right side
   699,693,538x = 2,623,860,337,705,897,984
5. Step 5: Solve for x
   x = 2,623,860,337,705,897,984/699,693,538
6. Step 6: Final answer
   x = 3,750,013,677.71