Finding the Third Proportional to 699,796,636.31 and 1,503,444,983.72

Step by Step Solution

1. Step 1: Write the proportion equation
   699,796,636.31 : 1,503,444,983.72 = 1,503,444,983.72 : x
2. Step 2: Convert to fraction form
   699,796,636.31/1,503,444,983.72 = 1,503,444,983.72/x
3. Step 3: Cross multiply
   699,796,636.31x = 1,503,444,983.72 × 1,503,444,983.72
4. Step 4: Simplify right side
   699,796,636.31x = 2,260,346,819,069,222,912
5. Step 5: Solve for x
   x = 2,260,346,819,069,222,912/699,796,636.31
6. Step 6: Final answer
   x = 3,230,005,264.07