Finding the Third Proportional to 209,909,730 and 433,233,384

Step by Step Solution

1. Step 1: Write the proportion equation
   209,909,730 : 433,233,384 = 433,233,384 : x
2. Step 2: Convert to fraction form
   209,909,730/433,233,384 = 433,233,384/x
3. Step 3: Cross multiply
   209,909,730x = 433,233,384 × 433,233,384
4. Step 4: Simplify right side
   209,909,730x = 187,691,165,012,091,456
5. Step 5: Solve for x
   x = 187,691,165,012,091,456/209,909,730
6. Step 6: Final answer
   x = 894,151,809.98