Finding the Third Proportional to 45,915,946 and 99,902,843

Step by Step Solution

1. Step 1: Write the proportion equation
   45,915,946 : 99,902,843 = 99,902,843 : x
2. Step 2: Convert to fraction form
   45,915,946/99,902,843 = 99,902,843/x
3. Step 3: Cross multiply
   45,915,946x = 99,902,843 × 99,902,843
4. Step 4: Simplify right side
   45,915,946x = 9,980,578,039,482,648
5. Step 5: Solve for x
   x = 9,980,578,039,482,648/45,915,946
6. Step 6: Final answer
   x = 217,366,272.70