Finding the Third Proportional to 31,237,616 and 63,997,272

Step by Step Solution

1. Step 1: Write the proportion equation
   31,237,616 : 63,997,272 = 63,997,272 : x
2. Step 2: Convert to fraction form
   31,237,616/63,997,272 = 63,997,272/x
3. Step 3: Cross multiply
   31,237,616x = 63,997,272 × 63,997,272
4. Step 4: Simplify right side
   31,237,616x = 4,095,650,823,441,984
5. Step 5: Solve for x
   x = 4,095,650,823,441,984/31,237,616
6. Step 6: Final answer
   x = 131,112,784.77