Finding the Third Proportional to 121,353,903.50 and 267,443,597.25

Step by Step Solution

1. Step 1: Write the proportion equation
   121,353,903.50 : 267,443,597.25 = 267,443,597.25 : x
2. Step 2: Convert to fraction form
   121,353,903.50/267,443,597.25 = 267,443,597.25/x
3. Step 3: Cross multiply
   121,353,903.50x = 267,443,597.25 × 267,443,597.25
4. Step 4: Simplify right side
   121,353,903.50x = 71,526,077,710,020,208
5. Step 5: Solve for x
   x = 71,526,077,710,020,208/121,353,903.50
6. Step 6: Final answer
   x = 589,400,716.81