Finding the Third Proportional to 117,485,002 and 254,495,868

Step by Step Solution

1. Step 1: Write the proportion equation
   117,485,002 : 254,495,868 = 254,495,868 : x
2. Step 2: Convert to fraction form
   117,485,002/254,495,868 = 254,495,868/x
3. Step 3: Cross multiply
   117,485,002x = 254,495,868 × 254,495,868
4. Step 4: Simplify right side
   117,485,002x = 64,768,146,829,073,424
5. Step 5: Solve for x
   x = 64,768,146,829,073,424/117,485,002
6. Step 6: Final answer
   x = 551,288,638.78