Finding the Third Proportional to 27,477,178 and 42,507,000

Step by Step Solution

1. Step 1: Write the proportion equation
   27,477,178 : 42,507,000 = 42,507,000 : x
2. Step 2: Convert to fraction form
   27,477,178/42,507,000 = 42,507,000/x
3. Step 3: Cross multiply
   27,477,178x = 42,507,000 × 42,507,000
4. Step 4: Simplify right side
   27,477,178x = 1,806,845,049,000,000
5. Step 5: Solve for x
   x = 1,806,845,049,000,000/27,477,178
6. Step 6: Final answer
   x = 65,758,028.32