Finding the Third Proportional to 179,478,956.25 and 390,404,272.50

Step by Step Solution

1. Step 1: Write the proportion equation
   179,478,956.25 : 390,404,272.50 = 390,404,272.50 : x
2. Step 2: Convert to fraction form
   179,478,956.25/390,404,272.50 = 390,404,272.50/x
3. Step 3: Cross multiply
   179,478,956.25x = 390,404,272.50 × 390,404,272.50
4. Step 4: Simplify right side
   179,478,956.25x = 152,415,495,986,254,272
5. Step 5: Solve for x
   x = 152,415,495,986,254,272/179,478,956.25
6. Step 6: Final answer
   x = 849,210,955.82