Finding the Third Proportional to 42,067,892.75 and 64,621,433.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,067,892.75 : 64,621,433.88 = 64,621,433.88 : x
2. Step 2: Convert to fraction form
   42,067,892.75/64,621,433.88 = 64,621,433.88/x
3. Step 3: Cross multiply
   42,067,892.75x = 64,621,433.88 × 64,621,433.88
4. Step 4: Simplify right side
   42,067,892.75x = 4,175,929,716,060,997.50
5. Step 5: Solve for x
   x = 4,175,929,716,060,997.50/42,067,892.75
6. Step 6: Final answer
   x = 99,266,434.40