Finding the Third Proportional to 166,377,260 and 359,060,488

Step by Step Solution

1. Step 1: Write the proportion equation
   166,377,260 : 359,060,488 = 359,060,488 : x
2. Step 2: Convert to fraction form
   166,377,260/359,060,488 = 359,060,488/x
3. Step 3: Cross multiply
   166,377,260x = 359,060,488 × 359,060,488
4. Step 4: Simplify right side
   166,377,260x = 128,924,434,042,798,144
5. Step 5: Solve for x
   x = 128,924,434,042,798,144/166,377,260
6. Step 6: Final answer
   x = 774,892,158.00