Finding the Third Proportional to 12,897,913.50 and 30,404,403

Step by Step Solution

1. Step 1: Write the proportion equation
   12,897,913.50 : 30,404,403 = 30,404,403 : x
2. Step 2: Convert to fraction form
   12,897,913.50/30,404,403 = 30,404,403/x
3. Step 3: Cross multiply
   12,897,913.50x = 30,404,403 × 30,404,403
4. Step 4: Simplify right side
   12,897,913.50x = 924,427,721,786,409
5. Step 5: Solve for x
   x = 924,427,721,786,409/12,897,913.50
6. Step 6: Final answer
   x = 71,672,656.34