Finding the Third Proportional to 19,580,988 and 42,416,280

Step by Step Solution

1. Step 1: Write the proportion equation
   19,580,988 : 42,416,280 = 42,416,280 : x
2. Step 2: Convert to fraction form
   19,580,988/42,416,280 = 42,416,280/x
3. Step 3: Cross multiply
   19,580,988x = 42,416,280 × 42,416,280
4. Step 4: Simplify right side
   19,580,988x = 1,799,140,809,038,400
5. Step 5: Solve for x
   x = 1,799,140,809,038,400/19,580,988
6. Step 6: Final answer
   x = 91,882,023.98