Finding the Third Proportional to 36,610,386 and 55,387,971

Step by Step Solution

1. Step 1: Write the proportion equation
   36,610,386 : 55,387,971 = 55,387,971 : x
2. Step 2: Convert to fraction form
   36,610,386/55,387,971 = 55,387,971/x
3. Step 3: Cross multiply
   36,610,386x = 55,387,971 × 55,387,971
4. Step 4: Simplify right side
   36,610,386x = 3,067,827,331,496,841
5. Step 5: Solve for x
   x = 3,067,827,331,496,841/36,610,386
6. Step 6: Final answer
   x = 83,796,639.88