Finding the Third Proportional to 89,876,439 and 193,636,820

Step by Step Solution

1. Step 1: Write the proportion equation
   89,876,439 : 193,636,820 = 193,636,820 : x
2. Step 2: Convert to fraction form
   89,876,439/193,636,820 = 193,636,820/x
3. Step 3: Cross multiply
   89,876,439x = 193,636,820 × 193,636,820
4. Step 4: Simplify right side
   89,876,439x = 37,495,218,059,712,400
5. Step 5: Solve for x
   x = 37,495,218,059,712,400/89,876,439
6. Step 6: Final answer
   x = 417,186,289.05