Finding the Third Proportional to 138,827,424,655 and 195,499,605,881.50

Step by Step Solution

1. Step 1: Write the proportion equation
   138,827,424,655 : 195,499,605,881.50 = 195,499,605,881.50 : x
2. Step 2: Convert to fraction form
   138,827,424,655/195,499,605,881.50 = 195,499,605,881.50/x
3. Step 3: Cross multiply
   138,827,424,655x = 195,499,605,881.50 × 195,499,605,881.50
4. Step 4: Simplify right side
   138,827,424,655x = 38,220,095,899,821,831,880,704
5. Step 5: Solve for x
   x = 38,220,095,899,821,831,880,704/138,827,424,655
6. Step 6: Final answer
   x = 275,306,525,312.29