Finding the Third Proportional to 429,744,548.25 and 920,752,191

Step by Step Solution

1. Step 1: Write the proportion equation
   429,744,548.25 : 920,752,191 = 920,752,191 : x
2. Step 2: Convert to fraction form
   429,744,548.25/920,752,191 = 920,752,191/x
3. Step 3: Cross multiply
   429,744,548.25x = 920,752,191 × 920,752,191
4. Step 4: Simplify right side
   429,744,548.25x = 847,784,597,231,300,480
5. Step 5: Solve for x
   x = 847,784,597,231,300,480/429,744,548.25
6. Step 6: Final answer
   x = 1,972,764,054.10