Finding the Third Proportional to 109,090,540 and 242,396,188

Step by Step Solution

1. Step 1: Write the proportion equation
   109,090,540 : 242,396,188 = 242,396,188 : x
2. Step 2: Convert to fraction form
   109,090,540/242,396,188 = 242,396,188/x
3. Step 3: Cross multiply
   109,090,540x = 242,396,188 × 242,396,188
4. Step 4: Simplify right side
   109,090,540x = 58,755,911,956,931,344
5. Step 5: Solve for x
   x = 58,755,911,956,931,344/109,090,540
6. Step 6: Final answer
   x = 538,597,681.86