Finding the Third Proportional to 108,447,434 and 238,415,516

Step by Step Solution

1. Step 1: Write the proportion equation
   108,447,434 : 238,415,516 = 238,415,516 : x
2. Step 2: Convert to fraction form
   108,447,434/238,415,516 = 238,415,516/x
3. Step 3: Cross multiply
   108,447,434x = 238,415,516 × 238,415,516
4. Step 4: Simplify right side
   108,447,434x = 56,841,958,269,546,256
5. Step 5: Solve for x
   x = 56,841,958,269,546,256/108,447,434
6. Step 6: Final answer
   x = 524,142,952.70