Finding the Third Proportional to 42,507,505 and 90,924,770

Step by Step Solution

1. Step 1: Write the proportion equation
   42,507,505 : 90,924,770 = 90,924,770 : x
2. Step 2: Convert to fraction form
   42,507,505/90,924,770 = 90,924,770/x
3. Step 3: Cross multiply
   42,507,505x = 90,924,770 × 90,924,770
4. Step 4: Simplify right side
   42,507,505x = 8,267,313,799,552,900
5. Step 5: Solve for x
   x = 8,267,313,799,552,900/42,507,505
6. Step 6: Final answer
   x = 194,490,685.81