Finding the Third Proportional to 42,619,798 and 91,892,095

Step by Step Solution

1. Step 1: Write the proportion equation
   42,619,798 : 91,892,095 = 91,892,095 : x
2. Step 2: Convert to fraction form
   42,619,798/91,892,095 = 91,892,095/x
3. Step 3: Cross multiply
   42,619,798x = 91,892,095 × 91,892,095
4. Step 4: Simplify right side
   42,619,798x = 8,444,157,123,489,025
5. Step 5: Solve for x
   x = 8,444,157,123,489,025/42,619,798
6. Step 6: Final answer
   x = 198,127,572.62