Finding the Third Proportional to 42,857,172 and 64,672,200

Step by Step Solution

1. Step 1: Write the proportion equation
   42,857,172 : 64,672,200 = 64,672,200 : x
2. Step 2: Convert to fraction form
   42,857,172/64,672,200 = 64,672,200/x
3. Step 3: Cross multiply
   42,857,172x = 64,672,200 × 64,672,200
4. Step 4: Simplify right side
   42,857,172x = 4,182,493,452,840,000
5. Step 5: Solve for x
   x = 4,182,493,452,840,000/42,857,172
6. Step 6: Final answer
   x = 97,591,447.54