Finding the Third Proportional to 67,909,603.50 and 147,303,301.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,909,603.50 : 147,303,301.50 = 147,303,301.50 : x
2. Step 2: Convert to fraction form
   67,909,603.50/147,303,301.50 = 147,303,301.50/x
3. Step 3: Cross multiply
   67,909,603.50x = 147,303,301.50 × 147,303,301.50
4. Step 4: Simplify right side
   67,909,603.50x = 21,698,262,632,799,904
5. Step 5: Solve for x
   x = 21,698,262,632,799,904/67,909,603.50
6. Step 6: Final answer
   x = 319,516,850.56