Finding the Third Proportional to 42,683,985 and 91,841,779

Step by Step Solution

1. Step 1: Write the proportion equation
   42,683,985 : 91,841,779 = 91,841,779 : x
2. Step 2: Convert to fraction form
   42,683,985/91,841,779 = 91,841,779/x
3. Step 3: Cross multiply
   42,683,985x = 91,841,779 × 91,841,779
4. Step 4: Simplify right side
   42,683,985x = 8,434,912,369,884,841
5. Step 5: Solve for x
   x = 8,434,912,369,884,841/42,683,985
6. Step 6: Final answer
   x = 197,613,047.84