Finding the Third Proportional to 42,507,512 and 90,924,784

Step by Step Solution

1. Step 1: Write the proportion equation
   42,507,512 : 90,924,784 = 90,924,784 : x
2. Step 2: Convert to fraction form
   42,507,512/90,924,784 = 90,924,784/x
3. Step 3: Cross multiply
   42,507,512x = 90,924,784 × 90,924,784
4. Step 4: Simplify right side
   42,507,512x = 8,267,316,345,446,656
5. Step 5: Solve for x
   x = 8,267,316,345,446,656/42,507,512
6. Step 6: Final answer
   x = 194,490,713.68