Finding the Third Proportional to 42,437,685,580.59 and 86,122,380,860.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,437,685,580.59 : 86,122,380,860.16 = 86,122,380,860.16 : x
2. Step 2: Convert to fraction form
   42,437,685,580.59/86,122,380,860.16 = 86,122,380,860.16/x
3. Step 3: Cross multiply
   42,437,685,580.59x = 86,122,380,860.16 × 86,122,380,860.16
4. Step 4: Simplify right side
   42,437,685,580.59x = 7,417,064,485,022,454,513,664
5. Step 5: Solve for x
   x = 7,417,064,485,022,454,513,664/42,437,685,580.59
6. Step 6: Final answer
   x = 174,775,423,860.87