Finding the Third Proportional to 39,359,499 and 85,409,342

Step by Step Solution

1. Step 1: Write the proportion equation
   39,359,499 : 85,409,342 = 85,409,342 : x
2. Step 2: Convert to fraction form
   39,359,499/85,409,342 = 85,409,342/x
3. Step 3: Cross multiply
   39,359,499x = 85,409,342 × 85,409,342
4. Step 4: Simplify right side
   39,359,499x = 7,294,755,700,872,964
5. Step 5: Solve for x
   x = 7,294,755,700,872,964/39,359,499
6. Step 6: Final answer
   x = 185,336,599.45