Finding the Third Proportional to 42,619,795.50 and 91,892,091

Step by Step Solution

1. Step 1: Write the proportion equation
   42,619,795.50 : 91,892,091 = 91,892,091 : x
2. Step 2: Convert to fraction form
   42,619,795.50/91,892,091 = 91,892,091/x
3. Step 3: Cross multiply
   42,619,795.50x = 91,892,091 × 91,892,091
4. Step 4: Simplify right side
   42,619,795.50x = 8,444,156,388,352,281
5. Step 5: Solve for x
   x = 8,444,156,388,352,281/42,619,795.50
6. Step 6: Final answer
   x = 198,127,567.00