Finding the Third Proportional to 391,690,297 and 592,573,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   391,690,297 : 592,573,105.50 = 592,573,105.50 : x
2. Step 2: Convert to fraction form
   391,690,297/592,573,105.50 = 592,573,105.50/x
3. Step 3: Cross multiply
   391,690,297x = 592,573,105.50 × 592,573,105.50
4. Step 4: Simplify right side
   391,690,297x = 351,142,885,361,914,112
5. Step 5: Solve for x
   x = 351,142,885,361,914,112/391,690,297
6. Step 6: Final answer
   x = 896,480,939.28