Finding the Third Proportional to 99,607,624,901 and 215,087,264,962

Step by Step Solution

1. Step 1: Write the proportion equation
   99,607,624,901 : 215,087,264,962 = 215,087,264,962 : x
2. Step 2: Convert to fraction form
   99,607,624,901/215,087,264,962 = 215,087,264,962/x
3. Step 3: Cross multiply
   99,607,624,901x = 215,087,264,962 × 215,087,264,962
4. Step 4: Simplify right side
   99,607,624,901x = 46,262,531,548,833,590,018,048
5. Step 5: Solve for x
   x = 46,262,531,548,833,590,018,048/99,607,624,901
6. Step 6: Final answer
   x = 464,447,692,581.91