Finding the Third Proportional to 3,699,449,561.75 and 5,345,065,763.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699,449,561.75 : 5,345,065,763.50 = 5,345,065,763.50 : x
2. Step 2: Convert to fraction form
   3,699,449,561.75/5,345,065,763.50 = 5,345,065,763.50/x
3. Step 3: Cross multiply
   3,699,449,561.75x = 5,345,065,763.50 × 5,345,065,763.50
4. Step 4: Simplify right side
   3,699,449,561.75x = 28,569,728,016,139,837,440
5. Step 5: Solve for x
   x = 28,569,728,016,139,837,440/3,699,449,561.75
6. Step 6: Final answer
   x = 7,722,696,995.66