Finding the Third Proportional to 89,834,799,488 and 139,546,520,201

Step by Step Solution

1. Step 1: Write the proportion equation
   89,834,799,488 : 139,546,520,201 = 139,546,520,201 : x
2. Step 2: Convert to fraction form
   89,834,799,488/139,546,520,201 = 139,546,520,201/x
3. Step 3: Cross multiply
   89,834,799,488x = 139,546,520,201 × 139,546,520,201
4. Step 4: Simplify right side
   89,834,799,488x = 19,473,231,300,208,101,425,152
5. Step 5: Solve for x
   x = 19,473,231,300,208,101,425,152/89,834,799,488
6. Step 6: Final answer
   x = 216,767,126,004.54