Finding the Third Proportional to 99,607,624,905 and 215,087,264,970

Step by Step Solution

1. Step 1: Write the proportion equation
   99,607,624,905 : 215,087,264,970 = 215,087,264,970 : x
2. Step 2: Convert to fraction form
   99,607,624,905/215,087,264,970 = 215,087,264,970/x
3. Step 3: Cross multiply
   99,607,624,905x = 215,087,264,970 × 215,087,264,970
4. Step 4: Simplify right side
   99,607,624,905x = 46,262,531,552,274,991,284,224
5. Step 5: Solve for x
   x = 46,262,531,552,274,991,284,224/99,607,624,905
6. Step 6: Final answer
   x = 464,447,692,597.81