Finding the Third Proportional to 65,861,449,343 and 88,862,557,890

Step by Step Solution

1. Step 1: Write the proportion equation
   65,861,449,343 : 88,862,557,890 = 88,862,557,890 : x
2. Step 2: Convert to fraction form
   65,861,449,343/88,862,557,890 = 88,862,557,890/x
3. Step 3: Cross multiply
   65,861,449,343x = 88,862,557,890 × 88,862,557,890
4. Step 4: Simplify right side
   65,861,449,343x = 7,896,554,194,753,601,667,072
5. Step 5: Solve for x
   x = 7,896,554,194,753,601,667,072/65,861,449,343
6. Step 6: Final answer
   x = 119,896,453,441.67