Finding the Third Proportional to 699,693,549 and 1,619,833,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   699,693,549 : 1,619,833,456.50 = 1,619,833,456.50 : x
2. Step 2: Convert to fraction form
   699,693,549/1,619,833,456.50 = 1,619,833,456.50/x
3. Step 3: Cross multiply
   699,693,549x = 1,619,833,456.50 × 1,619,833,456.50
4. Step 4: Simplify right side
   699,693,549x = 2,623,860,426,796,737,536
5. Step 5: Solve for x
   x = 2,623,860,426,796,737,536/699,693,549
6. Step 6: Final answer
   x = 3,750,013,746.08